1375252464 has 40 divisors (see below), whose sum is σ = 3561733840. Its totient is φ = 457256448.

The previous prime is 1375252457. The next prime is 1375252499. The reversal of 1375252464 is 4642525731.

It is a congruent number.

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, 17029 + ... + 55140.

It is an arithmetic number, because the mean of its divisors is an integer number (89043346).

Almost surely, 2^1375252464 is an apocalyptic number.

It is an amenable number.

1375252464 is an abundant number, since it is smaller than the sum of its proper divisors (2186481376).

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

1375252464 is a wasteful number, since it uses less digits than its factorization.

1375252464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72577 (or 72571 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 1375252464 is about 37084.3965031117. The cubic root of 1375252464 is about 1112.0580986845.

The spelling of 1375252464 in words is "one billion, three hundred seventy-five million, two hundred fifty-two thousand, four hundred sixty-four".