10252139 has 8 divisors (see below), whose sum is σ = 11018448. Its totient is φ = 9504000.

The previous prime is 10252133. The next prime is 10252163. The reversal of 10252139 is 93125201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10252139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10252133) 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, 3362 + ... + 5639.

It is an arithmetic number, because the mean of its divisors is an integer number (1377306).

Almost surely, 2^10252139 is an apocalyptic number.

10252139 is a deficient number, since it is larger than the sum of its proper divisors (766309).

10252139 is an equidigital number, since it uses as much as digits as its factorization.

10252139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 10252139 is about 3201.8961569670. The cubic root of 10252139 is about 217.2391835560.

The spelling of 10252139 in words is "ten million, two hundred fifty-two thousand, one hundred thirty-nine".