1402165256 has 8 divisors (see below), whose sum is σ = 2629059870. Its totient is φ = 701082624.

The previous prime is 1402165243. The next prime is 1402165277. The reversal of 1402165256 is 6525612041.

It can be written as a sum of positive squares in only one way, i.e., 730837156 + 671328100 = 27034^2 + 25910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87635321 + ... + 87635336.

Almost surely, 2^1402165256 is an apocalyptic number.

It is an amenable number.

1402165256 is a deficient number, since it is larger than the sum of its proper divisors (1226894614).

1402165256 is a wasteful number, since it uses less digits than its factorization.

1402165256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175270663 (or 175270659 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1402165256 is about 37445.4971391755. The cubic root of 1402165256 is about 1119.2653707140.

Adding to 1402165256 its reverse (6525612041), we get a palindrome (7927777297).

The spelling of 1402165256 in words is "one billion, four hundred two million, one hundred sixty-five thousand, two hundred fifty-six".