156140404 has 48 divisors (see below), whose sum is σ = 331448320. Its totient is φ = 62868960.

The previous prime is 156140381. The next prime is 156140441. The reversal of 156140404 is 404041651.

It is a super-2 number, since 2×156140404² = 48759651522566432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66409 + ... + 68719.

Almost surely, 2^156140404 is an apocalyptic number.

156140404 is a gapful number since it is divisible by the number (14) 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 156140404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165724160).

156140404 is an abundant number, since it is smaller than the sum of its proper divisors (175307916).

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

156140404 is a wasteful number, since it uses less digits than its factorization.

156140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 156140404 is about 12495.6153910082. The cubic root of 156140404 is about 538.4827137607.

The spelling of 156140404 in words is "one hundred fifty-six million, one hundred forty thousand, four hundred four".