1349732131 has 6 divisors (see below), whose sum is σ = 1483589996. Its totient is φ = 1227029100.

The previous prime is 1349732107. The next prime is 1349732147. The reversal of 1349732131 is 1312379431.

It is not a de Polignac number, because 1349732131 - 2⁹ = 1349731619 is a prime.

It is a super-2 number, since 2×1349732131² = 3643553650907602322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349732171) 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, 5577285 + ... + 5577526.

Almost surely, 2^1349732131 is an apocalyptic number.

1349732131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1349732131 is a deficient number, since it is larger than the sum of its proper divisors (133857865).

1349732131 is a wasteful number, since it uses less digits than its factorization.

1349732131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154833 (or 11154822 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 1349732131 is about 36738.7007255292. The cubic root of 1349732131 is about 1105.1363456580.

The spelling of 1349732131 in words is "one billion, three hundred forty-nine million, seven hundred thirty-two thousand, one hundred thirty-one".