1312929634 has 16 divisors (see below), whose sum is σ = 2035950840. Its totient is φ = 634573440.

The previous prime is 1312929617. The next prime is 1312929641. The reversal of 1312929634 is 4369292131.

It can be written as a sum of positive squares in 4 ways, for example, as 833188225 + 479741409 = 28865^2 + 21903^2 .

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, 64509 + ... + 82384.

Almost surely, 2^1312929634 is an apocalyptic number.

1312929634 is a deficient number, since it is larger than the sum of its proper divisors (723021206).

1312929634 is a wasteful number, since it uses less digits than its factorization.

1312929634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147045.

The product of its digits is 69984, while the sum is 40.

The square root of 1312929634 is about 36234.3708928415. The cubic root of 1312929634 is about 1094.9992379914. Note that the first 3 decimals are identical.

The spelling of 1312929634 in words is "one billion, three hundred twelve million, nine hundred twenty-nine thousand, six hundred thirty-four".