85970136 has 128 divisors (see below), whose sum is σ = 270028800. Its totient is φ = 22239360.

The previous prime is 85970119. The next prime is 85970149. The reversal of 85970136 is 63107958.

It is a junction number, because it is equal to n+sod(n) for n = 85970094 and 85970103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72831 + ... + 74001.

It is an arithmetic number, because the mean of its divisors is an integer number (2109600).

Almost surely, 2^85970136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85970136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135014400).

85970136 is an abundant number, since it is smaller than the sum of its proper divisors (184058664).

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

85970136 is a wasteful number, since it uses less digits than its factorization.

85970136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 85970136 is about 9272.0081967177. The cubic root of 85970136 is about 441.3493973661.

The spelling of 85970136 in words is "eighty-five million, nine hundred seventy thousand, one hundred thirty-six".