1375401552 has 80 divisors (see below), whose sum is σ = 4191731712. Its totient is φ = 380292480.

The previous prime is 1375401523. The next prime is 1375401571. The reversal of 1375401552 is 2551045731.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 55608 + ... + 76439.

Almost surely, 2^1375401552 is an apocalyptic number.

1375401552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375401552 is an abundant number, since it is smaller than the sum of its proper divisors (2816330160).

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

1375401552 is a wasteful number, since it uses less digits than its factorization.

1375401552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132096 (or 132090 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 1375401552 is about 37086.4065662879. The cubic root of 1375401552 is about 1112.0982824644.

The spelling of 1375401552 in words is "one billion, three hundred seventy-five million, four hundred one thousand, five hundred fifty-two".