149763939181 has 8 divisors (see below), whose sum is σ = 152631221184. Its totient is φ = 146923835520.

The previous prime is 149763939163. The next prime is 149763939239. The reversal of 149763939181 is 181939367941.

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 149763939181 - 2¹¹ = 149763937133 is a prime.

It is a super-2 number, since 2×149763939181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149763939581) 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, 6783460 + ... + 6805501.

It is an arithmetic number, because the mean of its divisors is an integer number (19078902648).

Almost surely, 2^149763939181 is an apocalyptic number.

It is an amenable number.

149763939181 is a deficient number, since it is larger than the sum of its proper divisors (2867282003).

149763939181 is a wasteful number, since it uses less digits than its factorization.

149763939181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589171.

The product of its digits is 8817984, while the sum is 61.

The spelling of 149763939181 in words is "one hundred forty-nine billion, seven hundred sixty-three million, nine hundred thirty-nine thousand, one hundred eighty-one".