1357989775 has 6 divisors (see below), whose sum is σ = 1683907352. Its totient is φ = 1086391800.

The previous prime is 1357989769. The next prime is 1357989779. The reversal of 1357989775 is 5779897531.

It is not a de Polignac number, because 1357989775 - 2⁹ = 1357989263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357989779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27159771 + ... + 27159820.

Almost surely, 2^1357989775 is an apocalyptic number.

1357989775 is a deficient number, since it is larger than the sum of its proper divisors (325917577).

1357989775 is an equidigital number, since it uses as much as digits as its factorization.

1357989775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54319601 (or 54319596 counting only the distinct ones).

The product of its digits is 16669800, while the sum is 61.

The square root of 1357989775 is about 36850.9128109468. The cubic root of 1357989775 is about 1107.3855018048.

The spelling of 1357989775 in words is "one billion, three hundred fifty-seven million, nine hundred eighty-nine thousand, seven hundred seventy-five".