1364997790 has 48 divisors (see below), whose sum is σ = 2776288608. Its totient is φ = 482072448.

The previous prime is 1364997763. The next prime is 1364997817. The reversal of 1364997790 is 977994631.

It is an interprime number because it is at equal distance from previous prime (1364997763) and next prime (1364997817).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21312 + ... + 56428.

It is an arithmetic number, because the mean of its divisors is an integer number (57839346).

Almost surely, 2^1364997790 is an apocalyptic number.

1364997790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1364997790 is an abundant number, since it is smaller than the sum of its proper divisors (1411290818).

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

1364997790 is a wasteful number, since it uses less digits than its factorization.

1364997790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35173 (or 35160 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 55.

The square root of 1364997790 is about 36945.8764952193. The cubic root of 1364997790 is about 1109.2871515334.

The spelling of 1364997790 in words is "one billion, three hundred sixty-four million, nine hundred ninety-seven thousand, seven hundred ninety".