1345131052 has 24 divisors (see below), whose sum is σ = 2506877856. Its totient is φ = 629338368.

The previous prime is 1345131037. The next prime is 1345131071. The reversal of 1345131052 is 2501315431.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45408 + ... + 68935.

It is an arithmetic number, because the mean of its divisors is an integer number (104453244).

Almost surely, 2^1345131052 is an apocalyptic number.

It is an amenable number.

1345131052 is a deficient number, since it is larger than the sum of its proper divisors (1161746804).

1345131052 is a wasteful number, since it uses less digits than its factorization.

1345131052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114537 (or 114535 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1345131052 is about 36676.0283018759. The cubic root of 1345131052 is about 1103.8791558462.

Adding to 1345131052 its reverse (2501315431), we get a palindrome (3846446483).

The spelling of 1345131052 in words is "one billion, three hundred forty-five million, one hundred thirty-one thousand, fifty-two".