256146070 has 8 divisors (see below), whose sum is σ = 461062944. Its totient is φ = 102458424.

The previous prime is 256146053. The next prime is 256146113. The reversal of 256146070 is 70641652.

It is a happy number.

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

It is a super-2 number, since 2×256146070² = 131221618352889800, which contains 22 as substring.

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, 12807294 + ... + 12807313.

It is an arithmetic number, because the mean of its divisors is an integer number (57632868).

Almost surely, 2^256146070 is an apocalyptic number.

256146070 is a deficient number, since it is larger than the sum of its proper divisors (204916874).

256146070 is a wasteful number, since it uses less digits than its factorization.

256146070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25614614.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 256146070 is about 16004.5640365491. The cubic root of 256146070 is about 635.0811643210.

It can be divided in two parts, 25614 and 6070, that added together give a square (31684 = 178²).

The spelling of 256146070 in words is "two hundred fifty-six million, one hundred forty-six thousand, seventy".