1375975954 has 8 divisors (see below), whose sum is σ = 2185373628. Its totient is φ = 647518080.

The previous prime is 1375975921. The next prime is 1375975961. The reversal of 1375975954 is 4595795731.

It can be written as a sum of positive squares in 2 ways, for example, as 1319650929 + 56325025 = 36327^2 + 7505^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1375975895 and 1375975904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20234907 + ... + 20234974.

Almost surely, 2^1375975954 is an apocalyptic number.

1375975954 is a deficient number, since it is larger than the sum of its proper divisors (809397674).

1375975954 is a wasteful number, since it uses less digits than its factorization.

1375975954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40469900.

The product of its digits is 5953500, while the sum is 55.

The square root of 1375975954 is about 37094.1498622087. The cubic root of 1375975954 is about 1112.2530742468.

The spelling of 1375975954 in words is "one billion, three hundred seventy-five million, nine hundred seventy-five thousand, nine hundred fifty-four".