1375020667 has 4 divisors (see below), whose sum is σ = 1380094816. Its totient is φ = 1369946520.

The previous prime is 1375020659. The next prime is 1375020679. The reversal of 1375020667 is 7660205731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1375020667 - 2³ = 1375020659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375020617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536668 + ... + 2537209.

It is an arithmetic number, because the mean of its divisors is an integer number (345023704).

Almost surely, 2^1375020667 is an apocalyptic number.

1375020667 is a deficient number, since it is larger than the sum of its proper divisors (5074149).

1375020667 is an equidigital number, since it uses as much as digits as its factorization.

1375020667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074148.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1375020667 is about 37081.2711082023. The cubic root of 1375020667 is about 1111.9956165291.

The spelling of 1375020667 in words is "one billion, three hundred seventy-five million, twenty thousand, six hundred sixty-seven".