149335736831 has 4 divisors (see below), whose sum is σ = 149337507000. Its totient is φ = 149333966664.

The previous prime is 149335736807. The next prime is 149335736833. The reversal of 149335736831 is 138637533941.

149335736831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149335736831 - 2²² = 149331542527 is a prime.

It is a super-2 number, since 2×149335736831² (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 (149335736833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751856 + ... + 929493.

It is an arithmetic number, because the mean of its divisors is an integer number (37334376750).

Almost surely, 2^149335736831 is an apocalyptic number.

149335736831 is a deficient number, since it is larger than the sum of its proper divisors (1770169).

149335736831 is an equidigital number, since it uses as much as digits as its factorization.

149335736831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770168.

The product of its digits is 4898880, while the sum is 53.

The spelling of 149335736831 in words is "one hundred forty-nine billion, three hundred thirty-five million, seven hundred thirty-six thousand, eight hundred thirty-one".