154147389134 has 8 divisors (see below), whose sum is σ = 232074298848. Its totient is φ = 76789289520.

The previous prime is 154147389133. The next prime is 154147389157. The reversal of 154147389134 is 431983741451.

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

It is a super-2 number, since 2×154147389134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154147389133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142201847 + ... + 142202930.

It is an arithmetic number, because the mean of its divisors is an integer number (29009287356).

Almost surely, 2^154147389134 is an apocalyptic number.

154147389134 is a deficient number, since it is larger than the sum of its proper divisors (77926909714).

154147389134 is a wasteful number, since it uses less digits than its factorization.

154147389134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284405050.

The product of its digits is 1451520, while the sum is 50.

The spelling of 154147389134 in words is "one hundred fifty-four billion, one hundred forty-seven million, three hundred eighty-nine thousand, one hundred thirty-four".