149133262869 has 6 divisors (see below), whose sum is σ = 215414713046. Its totient is φ = 99422175240.

The previous prime is 149133262867. The next prime is 149133262877. The reversal of 149133262869 is 968262331941.

149133262869 is a `hidden beast` number, since 1 + 4 + 9 + 1 + 3 + 3 + 2 + 628 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81096800625 + 68036462244 = 284775^2 + 260838^2 .

It is not a de Polignac number, because 149133262869 - 2¹ = 149133262867 is a prime.

It is a super-2 number, since 2×149133262869² (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 (149133262867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8285181262 + ... + 8285181279.

Almost surely, 2^149133262869 is an apocalyptic number.

It is an amenable number.

149133262869 is a deficient number, since it is larger than the sum of its proper divisors (66281450177).

149133262869 is a wasteful number, since it uses less digits than its factorization.

149133262869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16570362547 (or 16570362544 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 149133262869 in words is "one hundred forty-nine billion, one hundred thirty-three million, two hundred sixty-two thousand, eight hundred sixty-nine".