137669292 has 18 divisors (see below), whose sum is σ = 347997468. Its totient is φ = 45889752.

The previous prime is 137669291. The next prime is 137669297. The reversal of 137669292 is 292966731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (137669291) 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, 1912038 + ... + 1912109.

Almost surely, 2^137669292 is an apocalyptic number.

137669292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137669292 is an abundant number, since it is smaller than the sum of its proper divisors (210328176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137669292 is a wasteful number, since it uses less digits than its factorization.

137669292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824157 (or 3824152 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 137669292 is about 11733.2558141379. The cubic root of 137669292 is about 516.3517972352.

The spelling of 137669292 in words is "one hundred thirty-seven million, six hundred sixty-nine thousand, two hundred ninety-two".