1364381532 has 18 divisors (see below), whose sum is σ = 3448853408. Its totient is φ = 454793832.

The previous prime is 1364381521. The next prime is 1364381537. The reversal of 1364381532 is 2351834631.

1364381532 is a `hidden beast` number, since 1 + 3 + 6 + 43 + 81 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 37899487 = 1364381532 / (1 + 3 + 6 + 4 + 3 + 8 + 1 + 5 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364381537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18949708 + ... + 18949779.

Almost surely, 2^1364381532 is an apocalyptic number.

1364381532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1364381532 is an abundant number, since it is smaller than the sum of its proper divisors (2084471876).

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

1364381532 is a wasteful number, since it uses less digits than its factorization.

1364381532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37899497 (or 37899492 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1364381532 is about 36937.5355431301. The cubic root of 1364381532 is about 1109.1201891181.

The spelling of 1364381532 in words is "one billion, three hundred sixty-four million, three hundred eighty-one thousand, five hundred thirty-two".