149631274385 has 16 divisors (see below), whose sum is σ = 180748713600. Its totient is φ = 118911818496.

The previous prime is 149631274381. The next prime is 149631274399. The reversal of 149631274385 is 583472136941.

It is a cyclic number.

It is not a de Polignac number, because 149631274385 - 2² = 149631274381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149631274381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261721 + ... + 1375209.

It is an arithmetic number, because the mean of its divisors is an integer number (11296794600).

Almost surely, 2^149631274385 is an apocalyptic number.

It is an amenable number.

149631274385 is a deficient number, since it is larger than the sum of its proper divisors (31117439215).

149631274385 is a wasteful number, since it uses less digits than its factorization.

149631274385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115240.

The product of its digits is 4354560, while the sum is 53.

The spelling of 149631274385 in words is "one hundred forty-nine billion, six hundred thirty-one million, two hundred seventy-four thousand, three hundred eighty-five".