1375012764 has 36 divisors (see below), whose sum is σ = 3507624120. Its totient is φ = 454131360.

The previous prime is 1375012753. The next prime is 1375012787. The reversal of 1375012764 is 4672105731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171282 + ... + 179129.

Almost surely, 2^1375012764 is an apocalyptic number.

It is an amenable number.

1375012764 is an abundant number, since it is smaller than the sum of its proper divisors (2132611356).

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

1375012764 is a wasteful number, since it uses less digits than its factorization.

1375012764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350530 (or 350525 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1375012764 is about 37081.1645448198. The cubic root of 1375012764 is about 1111.9934861082.

The spelling of 1375012764 in words is "one billion, three hundred seventy-five million, twelve thousand, seven hundred sixty-four".