138161151854 has 8 divisors (see below), whose sum is σ = 226081884888. Its totient is φ = 62800523560.

The previous prime is 138161151829. The next prime is 138161151899. The reversal of 138161151854 is 458151161831.

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

It is a Curzon number.

It is a congruent number.

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, 3140026157 + ... + 3140026200.

It is an arithmetic number, because the mean of its divisors is an integer number (28260235611).

Almost surely, 2^138161151854 is an apocalyptic number.

138161151854 is a deficient number, since it is larger than the sum of its proper divisors (87920733034).

138161151854 is a wasteful number, since it uses less digits than its factorization.

138161151854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280052370.

The product of its digits is 115200, while the sum is 44.

The spelling of 138161151854 in words is "one hundred thirty-eight billion, one hundred sixty-one million, one hundred fifty-one thousand, eight hundred fifty-four".