1375454656 has 28 divisors (see below), whose sum is σ = 2730878968. Its totient is φ = 687359232.

The previous prime is 1375454653. The next prime is 1375454677. The reversal of 1375454656 is 6564545731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375454653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145630 + ... + 154786.

Almost surely, 2^1375454656 is an apocalyptic number.

1375454656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1375454656 is a deficient number, since it is larger than the sum of its proper divisors (1355424312).

1375454656 is an equidigital number, since it uses as much as digits as its factorization.

1375454656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11516 (or 11506 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 46.

The square root of 1375454656 is about 37087.1225090327. The cubic root of 1375454656 is about 1112.1125949167.

The spelling of 1375454656 in words is "one billion, three hundred seventy-five million, four hundred fifty-four thousand, six hundred fifty-six".