1264360513 has 8 divisors (see below), whose sum is σ = 1405542656. Its totient is φ = 1129453200.

The previous prime is 1264360483. The next prime is 1264360547. The reversal of 1264360513 is 3150634621.

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 1264360513 - 2⁹ = 1264360001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264360553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568283 + ... + 1569088.

It is an arithmetic number, because the mean of its divisors is an integer number (175692832).

Almost surely, 2^1264360513 is an apocalyptic number.

1264360513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1264360513 is a deficient number, since it is larger than the sum of its proper divisors (141182143).

1264360513 is a wasteful number, since it uses less digits than its factorization.

1264360513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137415.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1264360513 is about 35557.8474179751. The cubic root of 1264360513 is about 1081.3268195034.

The spelling of 1264360513 in words is "one billion, two hundred sixty-four million, three hundred sixty thousand, five hundred thirteen".