1364215772 has 12 divisors (see below), whose sum is σ = 2388276576. Its totient is φ = 681851040.

The previous prime is 1364215771. The next prime is 1364215793. The reversal of 1364215772 is 2775124631.

It is a super-3 number, since 3×1364215772³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364215771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52004 + ... + 73707.

It is an arithmetic number, because the mean of its divisors is an integer number (199023048).

Almost surely, 2^1364215772 is an apocalyptic number.

It is an amenable number.

1364215772 is a deficient number, since it is larger than the sum of its proper divisors (1024060804).

1364215772 is a wasteful number, since it uses less digits than its factorization.

1364215772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128428 (or 128426 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 1364215772 is about 36935.2916869489. The cubic root of 1364215772 is about 1109.0752712795.

The spelling of 1364215772 in words is "one billion, three hundred sixty-four million, two hundred fifteen thousand, seven hundred seventy-two".