256741534 has 8 divisors (see below), whose sum is σ = 440128368. Its totient is φ = 110032080.

The previous prime is 256741523. The next prime is 256741567. The reversal of 256741534 is 435147652.

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

It is a junction number, because it is equal to n+sod(n) for n = 256741493 and 256741502.

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, 9169327 + ... + 9169354.

It is an arithmetic number, because the mean of its divisors is an integer number (55016046).

Almost surely, 2^256741534 is an apocalyptic number.

256741534 is a deficient number, since it is larger than the sum of its proper divisors (183386834).

256741534 is a wasteful number, since it uses less digits than its factorization.

256741534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18338690.

The product of its digits is 100800, while the sum is 37.

The square root of 256741534 is about 16023.1561809776. The cubic root of 256741534 is about 635.5729088756.

The spelling of 256741534 in words is "two hundred fifty-six million, seven hundred forty-one thousand, five hundred thirty-four".