335985138 has 32 divisors (see below), whose sum is σ = 748387200. Its totient is φ = 111732048.

The previous prime is 335985131. The next prime is 335985157. The reversal of 335985138 is 831589533.

335985138 is a `hidden beast` number, since 3 + 3 + 598 + 51 + 3 + 8 = 666.

It is a super-2 number, since 2×335985138² = 225772025913758088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 335985093 and 335985102.

It is not an unprimeable number, because it can be changed into a prime (335985131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16620 + ... + 30792.

It is an arithmetic number, because the mean of its divisors is an integer number (23387100).

Almost surely, 2^335985138 is an apocalyptic number.

335985138 is an abundant number, since it is smaller than the sum of its proper divisors (412402062).

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

335985138 is a wasteful number, since it uses less digits than its factorization.

335985138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14623 (or 14617 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 335985138 is about 18329.8973810548. The cubic root of 335985138 is about 695.1950786857.

It can be divided in two parts, 3359851 and 38, that added together give a square (3359889 = 1833²).

The spelling of 335985138 in words is "three hundred thirty-five million, nine hundred eighty-five thousand, one hundred thirty-eight".