1313677064 has 48 divisors (see below), whose sum is σ = 2935211580. Its totient is φ = 549265920.

The previous prime is 1313677063. The next prime is 1313677097. The reversal of 1313677064 is 4607763131.

It can be written as a sum of positive squares in 2 ways, for example, as 1077808900 + 235868164 = 32830^2 + 15358^2 .

It is not an unprimeable number, because it can be changed into a prime (1313677063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24797 + ... + 56940.

Almost surely, 2^1313677064 is an apocalyptic number.

1313677064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1313677064 is an abundant number, since it is smaller than the sum of its proper divisors (1621534516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313677064 is a wasteful number, since it uses less digits than its factorization.

1313677064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81798 (or 81787 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 1313677064 is about 36244.6832514784. The cubic root of 1313677064 is about 1095.2069871353.

The spelling of 1313677064 in words is "one billion, three hundred thirteen million, six hundred seventy-seven thousand, sixty-four".