1375151520 has 96 divisors (see below), whose sum is σ = 4341496320. Its totient is φ = 365880320.

The previous prime is 1375151473. The next prime is 1375151587. The reversal of 1375151520 is 251515731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226930 + ... + 232910.

It is an arithmetic number, because the mean of its divisors is an integer number (45223920).

Almost surely, 2^1375151520 is an apocalyptic number.

1375151520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375151520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170748160).

1375151520 is an abundant number, since it is smaller than the sum of its proper divisors (2966344800).

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

1375151520 is a wasteful number, since it uses less digits than its factorization.

1375151520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478 (or 6470 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 1375151520 is about 37083.0354744592. The cubic root of 1375151520 is about 1112.0308895375.

The spelling of 1375151520 in words is "one billion, three hundred seventy-five million, one hundred fifty-one thousand, five hundred twenty".