1357287568 has 40 divisors (see below), whose sum is σ = 3236612288. Its totient is φ = 536948352.

The previous prime is 1357287559. The next prime is 1357287571. The reversal of 1357287568 is 8657827531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464646 + ... + 467557.

Almost surely, 2^1357287568 is an apocalyptic number.

It is an amenable number.

1357287568 is an abundant number, since it is smaller than the sum of its proper divisors (1879324720).

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

1357287568 is a wasteful number, since it uses less digits than its factorization.

1357287568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932231 (or 932225 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 52.

The square root of 1357287568 is about 36841.3839045169. The cubic root of 1357287568 is about 1107.1945951335.

The spelling of 1357287568 in words is "one billion, three hundred fifty-seven million, two hundred eighty-seven thousand, five hundred sixty-eight".