140181030 has 80 divisors (see below), whose sum is σ = 411223824. Its totient is φ = 33981120.

The previous prime is 140181029. The next prime is 140181037. The reversal of 140181030 is 30181041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140180994 and 140181012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140181037) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1044 + ... + 16776.

Almost surely, 2^140181030 is an apocalyptic number.

140181030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140181030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205611912).

140181030 is an abundant number, since it is smaller than the sum of its proper divisors (271042794).

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

140181030 is a wasteful number, since it uses less digits than its factorization.

140181030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15763 (or 15754 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 140181030 is about 11839.8070085623. The cubic root of 140181030 is about 519.4731226463.

The spelling of 140181030 in words is "one hundred forty million, one hundred eighty-one thousand, thirty".