1357271999 has 8 divisors (see below), whose sum is σ = 1396983360. Its totient is φ = 1317720096.

The previous prime is 1357271957. The next prime is 1357272029. The reversal of 1357271999 is 9991727531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1357271999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1357271999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357271299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22484 + ... + 56745.

It is an arithmetic number, because the mean of its divisors is an integer number (174622920).

Almost surely, 2^1357271999 is an apocalyptic number.

1357271999 is a deficient number, since it is larger than the sum of its proper divisors (39711361).

1357271999 is an equidigital number, since it uses as much as digits as its factorization.

1357271999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79729.

The product of its digits is 1071630, while the sum is 53.

The square root of 1357271999 is about 36841.1726062024. The cubic root of 1357271999 is about 1107.1903616955.

The spelling of 1357271999 in words is "one billion, three hundred fifty-seven million, two hundred seventy-one thousand, nine hundred ninety-nine".