154591139404 has 24 divisors (see below), whose sum is σ = 291849826688. Its totient is φ = 71226086400.

The previous prime is 154591139387. The next prime is 154591139431. The reversal of 154591139404 is 404931195451.

It is a super-2 number, since 2×154591139404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546172 + ... + 2606179.

Almost surely, 2^154591139404 is an apocalyptic number.

It is an amenable number.

154591139404 is a deficient number, since it is larger than the sum of its proper divisors (137258687284).

154591139404 is a wasteful number, since it uses less digits than its factorization.

154591139404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152945 (or 5152943 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 154591139404 in words is "one hundred fifty-four billion, five hundred ninety-one million, one hundred thirty-nine thousand, four hundred four".