1357733664 has 120 divisors (see below), whose sum is σ = 4563554688. Its totient is φ = 387918720.

The previous prime is 1357733647. The next prime is 1357733683. The reversal of 1357733664 is 4663377531.

It is a happy number.

1357733664 is a `hidden beast` number, since 13 + 577 + 3 + 3 + 6 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19272 + ... + 55559.

Almost surely, 2^1357733664 is an apocalyptic number.

1357733664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1357733664 is an abundant number, since it is smaller than the sum of its proper divisors (3205821024).

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

1357733664 is an equidigital number, since it uses as much as digits as its factorization.

1357733664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74860 (or 74843 counting only the distinct ones).

The product of its digits is 952560, while the sum is 45.

The square root of 1357733664 is about 36847.4376856790. The cubic root of 1357733664 is about 1107.3158813887.

The spelling of 1357733664 in words is "one billion, three hundred fifty-seven million, seven hundred thirty-three thousand, six hundred sixty-four".