1364144656 has 40 divisors (see below), whose sum is σ = 3065706560. Its totient is φ = 575904384.

The previous prime is 1364144641. The next prime is 1364144689. The reversal of 1364144656 is 6564414631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83391 + ... + 98398.

It is an arithmetic number, because the mean of its divisors is an integer number (76642664).

Almost surely, 2^1364144656 is an apocalyptic number.

1364144656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1364144656 is an abundant number, since it is smaller than the sum of its proper divisors (1701561904).

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

1364144656 is a wasteful number, since it uses less digits than its factorization.

1364144656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181871 (or 181865 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 1364144656 is about 36934.3289637161. The cubic root of 1364144656 is about 1109.0559990673.

The spelling of 1364144656 in words is "one billion, three hundred sixty-four million, one hundred forty-four thousand, six hundred fifty-six".