137253669 has 16 divisors (see below), whose sum is σ = 210069120. Its totient is φ = 78085440.

The previous prime is 137253667. The next prime is 137253707. The reversal of 137253669 is 966352731.

It is not a de Polignac number, because 137253669 - 2¹ = 137253667 is a prime.

It is a super-2 number, since 2×137253669² = 37677139307923122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137253669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137253667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9462 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (13129320).

Almost surely, 2^137253669 is an apocalyptic number.

It is an amenable number.

137253669 is a deficient number, since it is larger than the sum of its proper divisors (72815451).

137253669 is a wasteful number, since it uses less digits than its factorization.

137253669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28780.

The product of its digits is 204120, while the sum is 42.

The square root of 137253669 is about 11715.5311019177. The cubic root of 137253669 is about 515.8316521605.

The spelling of 137253669 in words is "one hundred thirty-seven million, two hundred fifty-three thousand, six hundred sixty-nine".