1532364138 has 12 divisors (see below), whose sum is σ = 3320122338. Its totient is φ = 510788040.

The previous prime is 1532364137. The next prime is 1532364151. The reversal of 1532364138 is 8314632351.

1532364138 is a `hidden beast` number, since 1 + 5 + 3 + 2 + 3 + 641 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 934708329 + 597655809 = 30573^2 + 24447^2 .

It is not an unprimeable number, because it can be changed into a prime (1532364137) 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, 42565653 + ... + 42565688.

Almost surely, 2^1532364138 is an apocalyptic number.

1532364138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1532364138 is an abundant number, since it is smaller than the sum of its proper divisors (1787758200).

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

1532364138 is a wasteful number, since it uses less digits than its factorization.

1532364138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85131349 (or 85131346 counting only the distinct ones).

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

The square root of 1532364138 is about 39145.4229508381. The cubic root of 1532364138 is about 1152.8885514887. Note that the first 3 decimals are identical.

Adding to 1532364138 its reverse (8314632351), we get a palindrome (9846996489).

The spelling of 1532364138 in words is "one billion, five hundred thirty-two million, three hundred sixty-four thousand, one hundred thirty-eight".