137036869 has 2 divisors, whose sum is σ = 137036870. Its totient is φ = 137036868.

The previous prime is 137036849. The next prime is 137036899. The reversal of 137036869 is 968630731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109474369 + 27562500 = 10463^2 + 5250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137036869 is a prime.

It is a super-2 number, since 2×137036869² = 37558206930646322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137036839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68518434 + 68518435.

It is an arithmetic number, because the mean of its divisors is an integer number (68518435).

Almost surely, 2^137036869 is an apocalyptic number.

It is an amenable number.

137036869 is a deficient number, since it is larger than the sum of its proper divisors (1).

137036869 is an equidigital number, since it uses as much as digits as its factorization.

137036869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 137036869 is about 11706.2747703956. The cubic root of 137036869 is about 515.5599138612.

The spelling of 137036869 in words is "one hundred thirty-seven million, thirty-six thousand, eight hundred sixty-nine".