1364946520 has 64 divisors (see below), whose sum is σ = 3513196800. Its totient is φ = 467537280.

The previous prime is 1364946511. The next prime is 1364946559. The reversal of 1364946520 is 256494631.

It is a super-2 number, since 2×1364946520² = 3726158004920220800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451815 + ... + 454825.

It is an arithmetic number, because the mean of its divisors is an integer number (54893700).

Almost surely, 2^1364946520 is an apocalyptic number.

1364946520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364946520 is an abundant number, since it is smaller than the sum of its proper divisors (2148250280).

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

1364946520 is a wasteful number, since it uses less digits than its factorization.

1364946520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4644 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1364946520 is about 36945.1826358999. The cubic root of 1364946520 is about 1109.2732628994.

The spelling of 1364946520 in words is "one billion, three hundred sixty-four million, nine hundred forty-six thousand, five hundred twenty".