385100136 has 64 divisors (see below), whose sum is σ = 1071326400. Its totient is φ = 128174400.

The previous prime is 385100129. The next prime is 385100143. The reversal of 385100136 is 631001583.

It is an interprime number because it is at equal distance from previous prime (385100129) and next prime (385100143).

It is a super-3 number, since 3×385100136³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278166 + ... + 279546.

It is an arithmetic number, because the mean of its divisors is an integer number (16739475).

Almost surely, 2^385100136 is an apocalyptic number.

385100136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

385100136 is an abundant number, since it is smaller than the sum of its proper divisors (686226264).

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

385100136 is a wasteful number, since it uses less digits than its factorization.

385100136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 385100136 is about 19623.9684060080. The cubic root of 385100136 is about 727.5417002348.

The spelling of 385100136 in words is "three hundred eighty-five million, one hundred thousand, one hundred thirty-six".