1312925135 has 8 divisors (see below), whose sum is σ = 1575709200. Its totient is φ = 1050207424.

The previous prime is 1312925101. The next prime is 1312925161. The reversal of 1312925135 is 5315292131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312925135 - 2¹² = 1312921039 is a prime.

It is a super-2 number, since 2×1312925135² = 3447544820229536450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55184 + ... + 75306.

It is an arithmetic number, because the mean of its divisors is an integer number (196963650).

Almost surely, 2^1312925135 is an apocalyptic number.

1312925135 is a deficient number, since it is larger than the sum of its proper divisors (262784065).

1312925135 is a wasteful number, since it uses less digits than its factorization.

1312925135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33177.

The product of its digits is 8100, while the sum is 32.

The square root of 1312925135 is about 36234.3088108494. The cubic root of 1312925135 is about 1094.9979872498.

The spelling of 1312925135 in words is "one billion, three hundred twelve million, nine hundred twenty-five thousand, one hundred thirty-five".