153138999742178 has 8 divisors (see below), whose sum is σ = 229710654251472. Its totient is φ = 76568781658356.

The previous prime is 153138999742163. The next prime is 153138999742181. The reversal of 153138999742178 is 871247999831351.

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 = 153138999742099 and 153138999742108.

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, 358839800 + ... + 359266307.

It is an arithmetic number, because the mean of its divisors is an integer number (28713831781434).

Almost surely, 2^{153138999742178} is an apocalyptic number.

153138999742178 is a deficient number, since it is larger than the sum of its proper divisors (76571654509294).

153138999742178 is a wasteful number, since it uses less digits than its factorization.

153138999742178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718212736.

The product of its digits is 823011840, while the sum is 77.

The spelling of 153138999742178 in words is "one hundred fifty-three trillion, one hundred thirty-eight billion, nine hundred ninety-nine million, seven hundred forty-two thousand, one hundred seventy-eight".