349138156 has 12 divisors (see below), whose sum is σ = 625201192. Its totient is φ = 170509248.

The previous prime is 349138117. The next prime is 349138171. The reversal of 349138156 is 651831943.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014765 + ... + 1015108.

Almost surely, 2^349138156 is an apocalyptic number.

It is an amenable number.

349138156 is a deficient number, since it is larger than the sum of its proper divisors (276063036).

349138156 is a wasteful number, since it uses less digits than its factorization.

349138156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029920 (or 2029918 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 349138156 is about 18685.2389869651. The cubic root of 349138156 is about 704.1509528015.

The spelling of 349138156 in words is "three hundred forty-nine million, one hundred thirty-eight thousand, one hundred fifty-six".