153972139154 has 8 divisors (see below), whose sum is σ = 230962545228. Its totient is φ = 76984624080.

The previous prime is 153972139147. The next prime is 153972139199. The reversal of 153972139154 is 451931279351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 153934599025 + 37540129 = 392345^2 + 6127^2 .

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

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, 584297 + ... + 805820.

Almost surely, 2^153972139154 is an apocalyptic number.

153972139154 is a deficient number, since it is larger than the sum of its proper divisors (76990406074).

153972139154 is a wasteful number, since it uses less digits than its factorization.

153972139154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445500.

The product of its digits is 1020600, while the sum is 50.

The spelling of 153972139154 in words is "one hundred fifty-three billion, nine hundred seventy-two million, one hundred thirty-nine thousand, one hundred fifty-four".