1393054956 has 24 divisors (see below), whose sum is σ = 3611624240. Its totient is φ = 464351616.

The previous prime is 1393054937. The next prime is 1393054973. The reversal of 1393054956 is 6594503931.

1393054956 is a `hidden beast` number, since 13 + 93 + 0 + 549 + 5 + 6 = 666.

It is a super-2 number, since 2×1393054956² = 3881204220872323872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6449221 + ... + 6449436.

Almost surely, 2^1393054956 is an apocalyptic number.

It is an amenable number.

1393054956 is an abundant number, since it is smaller than the sum of its proper divisors (2218569284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1393054956 is a wasteful number, since it uses less digits than its factorization.

1393054956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12898670 (or 12898662 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 1393054956 is about 37323.6514290872. The cubic root of 1393054956 is about 1116.8360309634.

It can be divided in two parts, 13930 and 54956, that added together give a palindrome (68886).

The spelling of 1393054956 in words is "one billion, three hundred ninety-three million, fifty-four thousand, nine hundred fifty-six".