1345131 has 6 divisors (see below), whose sum is σ = 1942980. Its totient is φ = 896748.

The previous prime is 1345129. The next prime is 1345139. The reversal of 1345131 is 1315431.

It is not a de Polignac number, because 1345131 - 2¹ = 1345129 is a prime.

It is a super-2 number, since 2×1345131² = 3618754814322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345139) 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, 74721 + ... + 74738.

It is an arithmetic number, because the mean of its divisors is an integer number (323830).

2^1345131 is an apocalyptic number.

1345131 is a deficient number, since it is larger than the sum of its proper divisors (597849).

1345131 is a wasteful number, since it uses less digits than its factorization.

1345131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149465 (or 149462 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1345131 is about 1159.7978272096. The cubic root of 1345131 is about 110.3879141622.

The spelling of 1345131 in words is "one million, three hundred forty-five thousand, one hundred thirty-one".