220526139 has 8 divisors (see below), whose sum is σ = 306819072. Its totient is φ = 140625320.

The previous prime is 220526113. The next prime is 220526143. The reversal of 220526139 is 931625022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220526139 - 2⁵ = 220526107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220526149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597947 + ... + 1598084.

It is an arithmetic number, because the mean of its divisors is an integer number (38352384).

Almost surely, 2^220526139 is an apocalyptic number.

220526139 is a deficient number, since it is larger than the sum of its proper divisors (86292933).

220526139 is a wasteful number, since it uses less digits than its factorization.

220526139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196057.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 220526139 is about 14850.1225247471. The cubic root of 220526139 is about 604.1619332127.

The spelling of 220526139 in words is "two hundred twenty million, five hundred twenty-six thousand, one hundred thirty-nine".