1375554132 has 36 divisors (see below), whose sum is σ = 3488989140. Its totient is φ = 456949632.

The previous prime is 1375554109. The next prime is 1375554137. The reversal of 1375554132 is 2314555731.

1375554132 is a `hidden beast` number, since 1 + 3 + 75 + 554 + 1 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1169229636 + 206324496 = 34194^2 + 14364^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (1375554137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54657 + ... + 75752.

It is an arithmetic number, because the mean of its divisors is an integer number (96916365).

Almost surely, 2^1375554132 is an apocalyptic number.

1375554132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375554132 is an abundant number, since it is smaller than the sum of its proper divisors (2113435008).

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

1375554132 is a wasteful number, since it uses less digits than its factorization.

1375554132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130712 (or 130707 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 1375554132 is about 37088.4635971888. The cubic root of 1375554132 is about 1112.1394044387.

The spelling of 1375554132 in words is "one billion, three hundred seventy-five million, five hundred fifty-four thousand, one hundred thirty-two".