149131269913 has 4 divisors (see below), whose sum is σ = 149158533888. Its totient is φ = 149104005940.

The previous prime is 149131269869. The next prime is 149131269929. The reversal of 149131269913 is 319962131941.

149131269913 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149131269913 - 2²¹ = 149129172761 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149131269953) 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, 13623781 + ... + 13634722.

It is an arithmetic number, because the mean of its divisors is an integer number (37289633472).

Almost surely, 2^149131269913 is an apocalyptic number.

It is an amenable number.

149131269913 is a deficient number, since it is larger than the sum of its proper divisors (27263975).

149131269913 is an equidigital number, since it uses as much as digits as its factorization.

149131269913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27263974.

The product of its digits is 314928, while the sum is 49.

The spelling of 149131269913 in words is "one hundred forty-nine billion, one hundred thirty-one million, two hundred sixty-nine thousand, nine hundred thirteen".