1312377146 has 16 divisors (see below), whose sum is σ = 2013669504. Its totient is φ = 641198784.

The previous prime is 1312377091. The next prime is 1312377163. The reversal of 1312377146 is 6417732131.

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, 49586 + ... + 71298.

It is an arithmetic number, because the mean of its divisors is an integer number (125854344).

Almost surely, 2^1312377146 is an apocalyptic number.

1312377146 is a deficient number, since it is larger than the sum of its proper divisors (701292358).

1312377146 is a wasteful number, since it uses less digits than its factorization.

1312377146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22405.

The product of its digits is 21168, while the sum is 35.

The square root of 1312377146 is about 36226.7462795101. The cubic root of 1312377146 is about 1094.8456225445.

The spelling of 1312377146 in words is "one billion, three hundred twelve million, three hundred seventy-seven thousand, one hundred forty-six".