349090137 has 12 divisors (see below), whose sum is σ = 550081584. Its totient is φ = 211569720.

The previous prime is 349090123. The next prime is 349090141. The reversal of 349090137 is 731090943.

It is not a de Polignac number, because 349090137 - 2⁶ = 349090073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349090237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1762983 + ... + 1763180.

It is an arithmetic number, because the mean of its divisors is an integer number (45840132).

Almost surely, 2^349090137 is an apocalyptic number.

It is an amenable number.

349090137 is a deficient number, since it is larger than the sum of its proper divisors (200991447).

349090137 is a wasteful number, since it uses less digits than its factorization.

349090137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526180 (or 3526177 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 349090137 is about 18683.9539980166. The cubic root of 349090137 is about 704.1186693302.

The spelling of 349090137 in words is "three hundred forty-nine million, ninety thousand, one hundred thirty-seven".