1364121604 has 24 divisors (see below), whose sum is σ = 2487585240. Its totient is φ = 653726976.

The previous prime is 1364121569. The next prime is 1364121607. The reversal of 1364121604 is 4061214631.

It can be written as a sum of positive squares in 4 ways, for example, as 600152004 + 763969600 = 24498^2 + 27640^2 .

It is not an unprimeable number, because it can be changed into a prime (1364121607) 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, 27027 + ... + 58810.

It is an arithmetic number, because the mean of its divisors is an integer number (103649385).

Almost surely, 2^1364121604 is an apocalyptic number.

It is an amenable number.

1364121604 is a deficient number, since it is larger than the sum of its proper divisors (1123463636).

1364121604 is a wasteful number, since it uses less digits than its factorization.

1364121604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86007 (or 86005 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1364121604 is about 36934.0168949980. The cubic root of 1364121604 is about 1109.0497519041.

It can be divided in two parts, 13641 and 21604, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 1364121604 in words is "one billion, three hundred sixty-four million, one hundred twenty-one thousand, six hundred four".