149090971129 has 9 divisors (see below), whose sum is σ = 150621133359. Its totient is φ = 147576210600.

The previous prime is 149090971111. The next prime is 149090971153. The reversal of 149090971129 is 921179090941.

The square root of 149090971129 is 386123.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 143244839529 + 5846131600 = 378477^2 + 76460^2 .

It is not a de Polignac number, because 149090971129 - 2¹⁵ = 149090938361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149090971429) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38996512 + ... + 39000334.

Almost surely, 2^149090971129 is an apocalyptic number.

149090971129 is the 386123-rd square number.

149090971129 is the 193062-nd centered octagonal number.

It is an amenable number.

149090971129 is a deficient number, since it is larger than the sum of its proper divisors (1530162230).

149090971129 is an frugal number, since it uses more digits than its factorization.

149090971129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 52.

The spelling of 149090971129 in words is "one hundred forty-nine billion, ninety million, nine hundred seventy-one thousand, one hundred twenty-nine".