1364156864 has 84 divisors (see below), whose sum is σ = 3286042704. Its totient is φ = 559190016.

The previous prime is 1364156863. The next prime is 1364156869. The reversal of 1364156864 is 4686514631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364156863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62672 + ... + 81584.

It is an arithmetic number, because the mean of its divisors is an integer number (39119556).

Almost surely, 2^1364156864 is an apocalyptic number.

1364156864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1364156864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643021352).

1364156864 is an abundant number, since it is smaller than the sum of its proper divisors (1921885840).

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

1364156864 is a wasteful number, since it uses less digits than its factorization.

1364156864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18962 (or 18945 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 1364156864 is about 36934.4942296493. The cubic root of 1364156864 is about 1109.0593074445.

The spelling of 1364156864 in words is "one billion, three hundred sixty-four million, one hundred fifty-six thousand, eight hundred sixty-four".