85192130 has 32 divisors (see below), whose sum is σ = 158439024. Its totient is φ = 32956416.

The previous prime is 85192103. The next prime is 85192139. The reversal of 85192130 is 3129158.

It can be written as a sum of positive squares in 8 ways, for example, as 44983849 + 40208281 = 6707^2 + 6341^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85192093 and 85192102.

It is not an unprimeable number, because it can be changed into a prime (85192139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70814 + ... + 72006.

Almost surely, 2^85192130 is an apocalyptic number.

85192130 is a deficient number, since it is larger than the sum of its proper divisors (73246894).

85192130 is a wasteful number, since it uses less digits than its factorization.

85192130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 85192130 is about 9229.9582880964. The cubic root of 85192130 is about 440.0139974886.

The spelling of 85192130 in words is "eighty-five million, one hundred ninety-two thousand, one hundred thirty".