1375253750 has 40 divisors (see below), whose sum is σ = 2776098864. Its totient is φ = 507780000.

The previous prime is 1375253749. The next prime is 1375253771. The reversal of 1375253750 is 573525731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26066 + ... + 58565.

Almost surely, 2^1375253750 is an apocalyptic number.

1375253750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375253750 is an abundant number, since it is smaller than the sum of its proper divisors (1400845114).

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

1375253750 is an equidigital number, since it uses as much as digits as its factorization.

1375253750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84666 (or 84651 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 1375253750 is about 37084.4138419363. The cubic root of 1375253750 is about 1112.0584453133.

The spelling of 1375253750 in words is "one billion, three hundred seventy-five million, two hundred fifty-three thousand, seven hundred fifty".