137069869 has 4 divisors (see below), whose sum is σ = 137155744. Its totient is φ = 136983996.

The previous prime is 137069843. The next prime is 137069893. The reversal of 137069869 is 968960731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137069869 - 2⁷ = 137069741 is a prime.

It is a super-2 number, since 2×137069869² = 37576297975354322, which 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 (137069809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40497 + ... + 43750.

It is an arithmetic number, because the mean of its divisors is an integer number (34288936).

Almost surely, 2^137069869 is an apocalyptic number.

It is an amenable number.

137069869 is a deficient number, since it is larger than the sum of its proper divisors (85875).

137069869 is an equidigital number, since it uses as much as digits as its factorization.

137069869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85874.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 137069869 is about 11707.6841860378. The cubic root of 137069869 is about 515.6012947241.

The spelling of 137069869 in words is "one hundred thirty-seven million, sixty-nine thousand, eight hundred sixty-nine".