257214752134 has 8 divisors (see below), whose sum is σ = 385844439600. Its totient is φ = 128599938936.

The previous prime is 257214752087. The next prime is 257214752149. The reversal of 257214752134 is 431257412752.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675234 + ... + 3744565.

It is an arithmetic number, because the mean of its divisors is an integer number (48230554950).

Almost surely, 2^257214752134 is an apocalyptic number.

257214752134 is a deficient number, since it is larger than the sum of its proper divisors (128629687466).

257214752134 is a wasteful number, since it uses less digits than its factorization.

257214752134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437134.

The product of its digits is 470400, while the sum is 43.

The spelling of 257214752134 in words is "two hundred fifty-seven billion, two hundred fourteen million, seven hundred fifty-two thousand, one hundred thirty-four".