156735140 has 48 divisors (see below), whose sum is σ = 342604080. Its totient is φ = 60157440.

The previous prime is 156735119. The next prime is 156735143. The reversal of 156735140 is 41537651.

156735140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 5494336 + 151240804 = 2344^2 + 12298^2 .

It is a super-2 number, since 2×156735140² = 49131808221639200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156735097 and 156735106.

It is not an unprimeable number, because it can be changed into a prime (156735143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104234 + ... + 105726.

It is an arithmetic number, because the mean of its divisors is an integer number (7137585).

Almost surely, 2^156735140 is an apocalyptic number.

156735140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156735140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171302040).

156735140 is an abundant number, since it is smaller than the sum of its proper divisors (185868940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156735140 is a wasteful number, since it uses less digits than its factorization.

156735140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 156735140 is about 12519.3905602469. The cubic root of 156735140 is about 539.1655378729.

The spelling of 156735140 in words is "one hundred fifty-six million, seven hundred thirty-five thousand, one hundred forty".