1344513636 has 36 divisors (see below), whose sum is σ = 3430404432. Its totient is φ = 443981424.

The previous prime is 1344513601. The next prime is 1344513641. The reversal of 1344513636 is 6363154431.

1344513636 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 5 + 13 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1344513636.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170670 + ... + 178373.

It is an arithmetic number, because the mean of its divisors is an integer number (95289012).

Almost surely, 2^1344513636 is an apocalyptic number.

It is an amenable number.

1344513636 is an abundant number, since it is smaller than the sum of its proper divisors (2085890796).

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

1344513636 is a wasteful number, since it uses less digits than its factorization.

1344513636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349160 (or 349155 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1344513636 is about 36667.6101757396. The cubic root of 1344513636 is about 1103.7102362563.

The spelling of 1344513636 in words is "one billion, three hundred forty-four million, five hundred thirteen thousand, six hundred thirty-six".