1375847057 has 8 divisors (see below), whose sum is σ = 1559664960. Its totient is φ = 1203169680.

The previous prime is 1375847047. The next prime is 1375847071. The reversal of 1375847057 is 7507485731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1375847057 - 2⁴ = 1375847041 is a prime.

It is a super-2 number, since 2×1375847057² = 3785910248511122498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375847047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2784869 + ... + 2785362.

It is an arithmetic number, because the mean of its divisors is an integer number (194958120).

Almost surely, 2^1375847057 is an apocalyptic number.

It is an amenable number.

1375847057 is a deficient number, since it is larger than the sum of its proper divisors (183817903).

1375847057 is a wasteful number, since it uses less digits than its factorization.

1375847057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570263.

The product of its (nonzero) digits is 823200, while the sum is 47.

The square root of 1375847057 is about 37092.4123912155. The cubic root of 1375847057 is about 1112.2183423992.

The spelling of 1375847057 in words is "one billion, three hundred seventy-five million, eight hundred forty-seven thousand, fifty-seven".