1332153972 has 48 divisors (see below), whose sum is σ = 3502396800. Its totient is φ = 437794560.

The previous prime is 1332153971. The next prime is 1332153989. The reversal of 1332153972 is 2793512331.

It is a happy number.

1332153972 is a `hidden beast` number, since 1 + 33 + 21 + 539 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332153971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79197 + ... + 94532.

It is an arithmetic number, because the mean of its divisors is an integer number (72966600).

Almost surely, 2^1332153972 is an apocalyptic number.

1332153972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1332153972 is an abundant number, since it is smaller than the sum of its proper divisors (2170242828).

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

1332153972 is a wasteful number, since it uses less digits than its factorization.

1332153972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173813 (or 173805 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 1332153972 is about 36498.6845242400. The cubic root of 1332153972 is about 1100.3178067945.

The spelling of 1332153972 in words is "one billion, three hundred thirty-two million, one hundred fifty-three thousand, nine hundred seventy-two".