13890151514 has 24 divisors (see below), whose sum is σ = 22042247508. Its totient is φ = 6563773440.

The previous prime is 13890151507. The next prime is 13890151531. The reversal of 13890151514 is 41515109831.

It can be written as a sum of positive squares in 2 ways, for example, as 11462914225 + 2427237289 = 107065^2 + 49267^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281114 + ... + 326810.

Almost surely, 2^13890151514 is an apocalyptic number.

13890151514 is a deficient number, since it is larger than the sum of its proper divisors (8152095994).

13890151514 is a wasteful number, since it uses less digits than its factorization.

13890151514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46158 (or 46139 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 13890151514 in words is "thirteen billion, eight hundred ninety million, one hundred fifty-one thousand, five hundred fourteen".