85129156 has 24 divisors (see below), whose sum is σ = 174862016. Its totient is φ = 35497440.

The previous prime is 85129133. The next prime is 85129211. The reversal of 85129156 is 65192158.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40050 + ... + 42121.

Almost surely, 2^85129156 is an apocalyptic number.

It is an amenable number.

85129156 is an abundant number, since it is smaller than the sum of its proper divisors (89732860).

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

85129156 is a wasteful number, since it uses less digits than its factorization.

85129156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82219 (or 82217 counting only the distinct ones).

The product of its digits is 21600, while the sum is 37.

The square root of 85129156 is about 9226.5462660738. The cubic root of 85129156 is about 439.9055513528.

The spelling of 85129156 in words is "eighty-five million, one hundred twenty-nine thousand, one hundred fifty-six".