149734480731 has 16 divisors (see below), whose sum is σ = 217820085120. Its totient is φ = 90737971520.

The previous prime is 149734480697. The next prime is 149734480747. The reversal of 149734480731 is 137084437941.

It is a cyclic number.

It is not a de Polignac number, because 149734480731 - 2⁹ = 149734480219 is a prime.

It is a super-2 number, since 2×149734480731² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (149734480631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48511 + ... + 549383.

It is an arithmetic number, because the mean of its divisors is an integer number (13613755320).

Almost surely, 2^149734480731 is an apocalyptic number.

149734480731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149734480731 is a deficient number, since it is larger than the sum of its proper divisors (68085604389).

149734480731 is a wasteful number, since it uses less digits than its factorization.

149734480731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509946.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 149734480731 in words is "one hundred forty-nine billion, seven hundred thirty-four million, four hundred eighty thousand, seven hundred thirty-one".