154190117929 has 8 divisors (see below), whose sum is σ = 166733745408. Its totient is φ = 142032448320.

The previous prime is 154190117923. The next prime is 154190117941. The reversal of 154190117929 is 929711091451.

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

It is a cyclic number.

It is not a de Polignac number, because 154190117929 - 2⁷ = 154190117801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154190117923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96488637 + ... + 96490234.

It is an arithmetic number, because the mean of its divisors is an integer number (20841718176).

Almost surely, 2^154190117929 is an apocalyptic number.

It is an amenable number.

154190117929 is a deficient number, since it is larger than the sum of its proper divisors (12543627479).

154190117929 is a wasteful number, since it uses less digits than its factorization.

154190117929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192978935.

The product of its (nonzero) digits is 204120, while the sum is 49.

The spelling of 154190117929 in words is "one hundred fifty-four billion, one hundred ninety million, one hundred seventeen thousand, nine hundred twenty-nine".