1375740154 has 4 divisors (see below), whose sum is σ = 2063610234. Its totient is φ = 687870076.

The previous prime is 1375740131. The next prime is 1375740173. The reversal of 1375740154 is 4510475731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4510475731 = 1933 ⋅2333407.

It can be written as a sum of positive squares in only one way, i.e., 1340658225 + 35081929 = 36615^2 + 5923^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343935037 + ... + 343935040.

Almost surely, 2^1375740154 is an apocalyptic number.

1375740154 is a deficient number, since it is larger than the sum of its proper divisors (687870080).

1375740154 is an equidigital number, since it uses as much as digits as its factorization.

1375740154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687870079.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 1375740154 is about 37090.9713272651. The cubic root of 1375740154 is about 1112.1895352833.

The spelling of 1375740154 in words is "one billion, three hundred seventy-five million, seven hundred forty thousand, one hundred fifty-four".