1356402056 has 32 divisors (see below), whose sum is σ = 2583584640. Its totient is φ = 667527168.

The previous prime is 1356402013. The next prime is 1356402059. The reversal of 1356402056 is 6502046531.

It is not an unprimeable number, because it can be changed into a prime (1356402059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132680 + ... + 142536.

It is an arithmetic number, because the mean of its divisors is an integer number (80737020).

Almost surely, 2^1356402056 is an apocalyptic number.

It is an amenable number.

1356402056 is a deficient number, since it is larger than the sum of its proper divisors (1227182584).

1356402056 is a wasteful number, since it uses less digits than its factorization.

1356402056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133 (or 10129 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1356402056 is about 36829.3640455547. The cubic root of 1356402056 is about 1106.9537600502.

Adding to 1356402056 its reverse (6502046531), we get a palindrome (7858448587).

The spelling of 1356402056 in words is "one billion, three hundred fifty-six million, four hundred two thousand, fifty-six".