838120156 has 12 divisors (see below), whose sum is σ = 1468498192. Its totient is φ = 418549248.

The previous prime is 838120057. The next prime is 838120163. The reversal of 838120156 is 651021838.

It is a congruent number.

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, 124005 + ... + 130588.

Almost surely, 2^838120156 is an apocalyptic number.

It is an amenable number.

838120156 is a deficient number, since it is larger than the sum of its proper divisors (630378036).

838120156 is a wasteful number, since it uses less digits than its factorization.

838120156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255420 (or 255418 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 838120156 is about 28950.3049379450. The cubic root of 838120156 is about 942.8344188716.

The spelling of 838120156 in words is "eight hundred thirty-eight million, one hundred twenty thousand, one hundred fifty-six".