526994139 has 16 divisors (see below), whose sum is σ = 803386880. Its totient is φ = 301008960.

The previous prime is 526994131. The next prime is 526994173. The reversal of 526994139 is 931499625.

It is not a de Polignac number, because 526994139 - 2³ = 526994131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526994131) 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, 65919 + ... + 73479.

It is an arithmetic number, because the mean of its divisors is an integer number (50211680).

Almost surely, 2^526994139 is an apocalyptic number.

526994139 is a deficient number, since it is larger than the sum of its proper divisors (276392741).

526994139 is a wasteful number, since it uses less digits than its factorization.

526994139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10890.

The product of its digits is 524880, while the sum is 48.

The square root of 526994139 is about 22956.3529115581. The cubic root of 526994139 is about 807.7344296616.

The spelling of 526994139 in words is "five hundred twenty-six million, nine hundred ninety-four thousand, one hundred thirty-nine".