1357884065 has 4 divisors (see below), whose sum is σ = 1629460884. Its totient is φ = 1086307248.

The previous prime is 1357884029. The next prime is 1357884079. The reversal of 1357884065 is 5604887531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5604887531 = 131 ⋅42785401.

It can be written as a sum of positive squares in 2 ways, for example, as 956603041 + 401281024 = 30929^2 + 20032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1357884065 - 2¹⁴ = 1357867681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135788402 + ... + 135788411.

It is an arithmetic number, because the mean of its divisors is an integer number (407365221).

Almost surely, 2^1357884065 is an apocalyptic number.

It is an amenable number.

1357884065 is a deficient number, since it is larger than the sum of its proper divisors (271576819).

1357884065 is an equidigital number, since it uses as much as digits as its factorization.

1357884065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271576818.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 1357884065 is about 36849.4784902039. The cubic root of 1357884065 is about 1107.3567669888.

The spelling of 1357884065 in words is "one billion, three hundred fifty-seven million, eight hundred eighty-four thousand, sixty-five".