156129436 has 24 divisors (see below), whose sum is σ = 277329024. Its totient is φ = 76900800.

The previous prime is 156129433. The next prime is 156129443. The reversal of 156129436 is 634921651.

It is a junction number, because it is equal to n+sod(n) for n = 156129395 and 156129404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156129433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89226 + ... + 90958.

It is an arithmetic number, because the mean of its divisors is an integer number (11555376).

Almost surely, 2^156129436 is an apocalyptic number.

It is an amenable number.

156129436 is a deficient number, since it is larger than the sum of its proper divisors (121199588).

156129436 is a wasteful number, since it uses less digits than its factorization.

156129436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2059 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 156129436 is about 12495.1765093575. The cubic root of 156129436 is about 538.4701049877.

The spelling of 156129436 in words is "one hundred fifty-six million, one hundred twenty-nine thousand, four hundred thirty-six".