10157239 has 2 divisors, whose sum is σ = 10157240. Its totient is φ = 10157238.

The previous prime is 10157233. The next prime is 10157269. The reversal of 10157239 is 93275101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10157239 - 2⁷ = 10157111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10157233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078619 + 5078620.

It is an arithmetic number, because the mean of its divisors is an integer number (5078620).

Almost surely, 2^10157239 is an apocalyptic number.

10157239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10157239 is an equidigital number, since it uses as much as digits as its factorization.

10157239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 10157239 is about 3187.0423593043. The cubic root of 10157239 is about 216.5668055264.

The spelling of 10157239 in words is "ten million, one hundred fifty-seven thousand, two hundred thirty-nine".