1364671920 has 40 divisors (see below), whose sum is σ = 4230483696. Its totient is φ = 363912448.

The previous prime is 1364671897. The next prime is 1364671943. The reversal of 1364671920 is 291764631.

It is an interprime number because it is at equal distance from previous prime (1364671897) and next prime (1364671943).

It is a tau number, because it is divible by the number of its divisors (40).

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, 2842827 + ... + 2843306.

Almost surely, 2^1364671920 is an apocalyptic number.

1364671920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364671920 is an abundant number, since it is smaller than the sum of its proper divisors (2865811776).

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

1364671920 is a wasteful number, since it uses less digits than its factorization.

1364671920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686149 (or 5686143 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1364671920 is about 36941.4661322476. The cubic root of 1364671920 is about 1109.1988700293.

The spelling of 1364671920 in words is "one billion, three hundred sixty-four million, six hundred seventy-one thousand, nine hundred twenty".