156040128 has 112 divisors (see below), whose sum is σ = 465388960. Its totient is φ = 51259392.

The previous prime is 156040121. The next prime is 156040151. The reversal of 156040128 is 821040651.

156040128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156040121) 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, 125526 + ... + 126762.

Almost surely, 2^156040128 is an apocalyptic number.

156040128 is a gapful number since it is divisible by the number (18) 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 156040128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232694480).

156040128 is an abundant number, since it is smaller than the sum of its proper divisors (309348832).

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

156040128 is a wasteful number, since it uses less digits than its factorization.

156040128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 156040128 is about 12491.6022991448. The cubic root of 156040128 is about 538.3674148489.

Adding to 156040128 its reverse (821040651), we get a palindrome (977080779).

The spelling of 156040128 in words is "one hundred fifty-six million, forty thousand, one hundred twenty-eight".