1357489064 has 8 divisors (see below), whose sum is σ = 2545292010. Its totient is φ = 678744528.

The previous prime is 1357489037. The next prime is 1357489079. The reversal of 1357489064 is 4609847531.

It can be written as a sum of positive squares in only one way, i.e., 789048100 + 568440964 = 28090^2 + 23842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84843059 + ... + 84843074.

Almost surely, 2^1357489064 is an apocalyptic number.

It is an amenable number.

1357489064 is a deficient number, since it is larger than the sum of its proper divisors (1187802946).

1357489064 is a wasteful number, since it uses less digits than its factorization.

1357489064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169686139 (or 169686135 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 1357489064 is about 36844.1184451467. The cubic root of 1357489064 is about 1107.2493819128.

The spelling of 1357489064 in words is "one billion, three hundred fifty-seven million, four hundred eighty-nine thousand, sixty-four".