1375547928 has 32 divisors (see below), whose sum is σ = 3641157360. Its totient is φ = 431544320.

The previous prime is 1375547917. The next prime is 1375547933. The reversal of 1375547928 is 8297455731.

It is a super-3 number, since 3×1375547928³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685313 + ... + 1686128.

Almost surely, 2^1375547928 is an apocalyptic number.

It is an amenable number.

1375547928 is an abundant number, since it is smaller than the sum of its proper divisors (2265609432).

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

1375547928 is a wasteful number, since it uses less digits than its factorization.

1375547928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371467 (or 3371463 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 1375547928 is about 37088.3799592271. The cubic root of 1375547928 is about 1112.1377324524.

The spelling of 1375547928 in words is "one billion, three hundred seventy-five million, five hundred forty-seven thousand, nine hundred twenty-eight".