10257138397 has 8 divisors (see below), whose sum is σ = 11676110400. Its totient is φ = 8919250560.

The previous prime is 10257138379. The next prime is 10257138407. The reversal of 10257138397 is 79383175201.

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

It is not a de Polignac number, because 10257138397 - 2²⁷ = 10122920669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257148397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20270772 + ... + 20271277.

It is an arithmetic number, because the mean of its divisors is an integer number (1459513800).

Almost surely, 2^10257138397 is an apocalyptic number.

It is an amenable number.

10257138397 is a deficient number, since it is larger than the sum of its proper divisors (1418972003).

10257138397 is a wasteful number, since it uses less digits than its factorization.

10257138397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40542083.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 10257138397 in words is "ten billion, two hundred fifty-seven million, one hundred thirty-eight thousand, three hundred ninety-seven".