10506139 has 12 divisors (see below), whose sum is σ = 12312000. Its totient is φ = 8938608.

The previous prime is 10506079. The next prime is 10506169. The reversal of 10506139 is 93160501.

10506139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10506139 - 2⁷ = 10506011 is a prime.

It is a super-2 number, since 2×10506139² = 220757913374642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10506169) 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, 6582 + ... + 8020.

It is an arithmetic number, because the mean of its divisors is an integer number (1026000).

Almost surely, 2^10506139 is an apocalyptic number.

10506139 is a deficient number, since it is larger than the sum of its proper divisors (1805861).

10506139 is a wasteful number, since it uses less digits than its factorization.

10506139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 10506139 is about 3241.3174790508. The cubic root of 10506139 is about 219.0186246610.

The spelling of 10506139 in words is "ten million, five hundred six thousand, one hundred thirty-nine".