1375025274 has 128 divisors (see below), whose sum is σ = 3626434560. Its totient is φ = 377913600.

The previous prime is 1375025251. The next prime is 1375025287. The reversal of 1375025274 is 4725205731.

1375025274 is a `hidden beast` number, since 1 + 37 + 502 + 52 + 74 = 666.

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 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 63 ways as a sum of consecutive naturals, for example, 3175362 + ... + 3175794.

It is an arithmetic number, because the mean of its divisors is an integer number (28331520).

Almost surely, 2^1375025274 is an apocalyptic number.

1375025274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1375025274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813217280).

1375025274 is an abundant number, since it is smaller than the sum of its proper divisors (2251409286).

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

1375025274 is a wasteful number, since it uses less digits than its factorization.

1375025274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 1375025274 is about 37081.3332284588. Note that the first 3 decimals coincide. The cubic root of 1375025274 is about 1111.9968584396.

The spelling of 1375025274 in words is "one billion, three hundred seventy-five million, twenty-five thousand, two hundred seventy-four".