149655092391 has 36 divisors (see below), whose sum is σ = 253768343400. Its totient is φ = 84732607008.

The previous prime is 149655092341. The next prime is 149655092401. The reversal of 149655092391 is 193290556941.

149655092391 is a `hidden beast` number, since 1 + 49 + 6 + 5 + 509 + 2 + 3 + 91 = 666.

149655092391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149655092391 - 2⁷ = 149655092263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149655092341) 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 35 ways as a sum of consecutive naturals, for example, 1508601 + ... + 1604738.

It is an arithmetic number, because the mean of its divisors is an integer number (7049120650).

Almost surely, 2^149655092391 is an apocalyptic number.

149655092391 is a deficient number, since it is larger than the sum of its proper divisors (104113251009).

149655092391 is a wasteful number, since it uses less digits than its factorization.

149655092391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113468 (or 3113458 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 149655092391 in words is "one hundred forty-nine billion, six hundred fifty-five million, ninety-two thousand, three hundred ninety-one".