1375253754 has 16 divisors (see below), whose sum is σ = 3143437248. Its totient is φ = 392929632.

The previous prime is 1375253749. The next prime is 1375253771. The reversal of 1375253754 is 4573525731.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 32744137 = 1375253754 / (1 + 3 + 7 + 5 + 2 + 5 + 3 + 7 + 5 + 4).

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, 16372027 + ... + 16372110.

It is an arithmetic number, because the mean of its divisors is an integer number (196464828).

Almost surely, 2^1375253754 is an apocalyptic number.

1375253754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1375253754 is an abundant number, since it is smaller than the sum of its proper divisors (1768183494).

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

1375253754 is a wasteful number, since it uses less digits than its factorization.

1375253754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32744149.

The product of its digits is 441000, while the sum is 42.

The square root of 1375253754 is about 37084.4138958674. The cubic root of 1375253754 is about 1112.0584463915.

The spelling of 1375253754 in words is "one billion, three hundred seventy-five million, two hundred fifty-three thousand, seven hundred fifty-four".