1375946515 has 12 divisors (see below), whose sum is σ = 1682894304. Its totient is φ = 1079977184.

The previous prime is 1375946461. The next prime is 1375946519. The reversal of 1375946515 is 5156495731.

It is not a de Polignac number, because 1375946515 - 2⁷ = 1375946387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375946519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34939 + ... + 63028.

It is an arithmetic number, because the mean of its divisors is an integer number (140241192).

Almost surely, 2^1375946515 is an apocalyptic number.

1375946515 is a deficient number, since it is larger than the sum of its proper divisors (306947789).

1375946515 is an frugal number, since it uses more digits than its factorization.

1375946515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98078 (or 98025 counting only the distinct ones).

The product of its digits is 567000, while the sum is 46.

The square root of 1375946515 is about 37093.7530454927. The cubic root of 1375946515 is about 1112.2451419736.

The spelling of 1375946515 in words is "one billion, three hundred seventy-five million, nine hundred forty-six thousand, five hundred fifteen".