1364136420 has 48 divisors (see below), whose sum is σ = 3912749568. Its totient is φ = 354896640.

The previous prime is 1364136383. The next prime is 1364136439. The reversal of 1364136420 is 246314631.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 274804 + ... + 279723.

It is an arithmetic number, because the mean of its divisors is an integer number (81515616).

Almost surely, 2^1364136420 is an apocalyptic number.

1364136420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364136420 is an abundant number, since it is smaller than the sum of its proper divisors (2548613148).

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

1364136420 is a wasteful number, since it uses less digits than its factorization.

1364136420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554580 (or 554578 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1364136420 is about 36934.2174683585. The cubic root of 1364136420 is about 1109.0537670939.

The spelling of 1364136420 in words is "one billion, three hundred sixty-four million, one hundred thirty-six thousand, four hundred twenty".