85030137 has 12 divisors (see below), whose sum is σ = 123949540. Its totient is φ = 56166048.

The previous prime is 85030129. The next prime is 85030147. The reversal of 85030137 is 73103058.

It can be written as a sum of positive squares in 2 ways, for example, as 56610576 + 28419561 = 7524^2 + 5331^2 .

It is not a de Polignac number, because 85030137 - 2³ = 85030129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85030137.

It is not an unprimeable number, because it can be changed into a prime (85030147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42358 + ... + 44319.

Almost surely, 2^85030137 is an apocalyptic number.

It is an amenable number.

85030137 is a deficient number, since it is larger than the sum of its proper divisors (38919403).

85030137 is a wasteful number, since it uses less digits than its factorization.

85030137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86792 (or 86789 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 85030137 is about 9221.1787207493. The cubic root of 85030137 is about 439.7349247055.

The spelling of 85030137 in words is "eighty-five million, thirty thousand, one hundred thirty-seven".