135800124669 has 40 divisors (see below), whose sum is σ = 222011404032. Its totient is φ = 82039988160.

The previous prime is 135800124661. The next prime is 135800124701. The reversal of 135800124669 is 966421008531.

135800124669 is a `hidden beast` number, since 1 + 3 + 580 + 0 + 1 + 2 + 4 + 6 + 69 = 666.

It is not a de Polignac number, because 135800124669 - 2³ = 135800124661 is a prime.

It is a super-2 number, since 2×135800124669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135800124661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35412 + ... + 522354.

Almost surely, 2^135800124669 is an apocalyptic number.

It is an amenable number.

135800124669 is a deficient number, since it is larger than the sum of its proper divisors (86211279363).

135800124669 is a wasteful number, since it uses less digits than its factorization.

135800124669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487279 (or 487270 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 135800124669 in words is "one hundred thirty-five billion, eight hundred million, one hundred twenty-four thousand, six hundred sixty-nine".