3001155138 has 40 divisors (see below), whose sum is σ = 7017202368. Its totient is φ = 956888856.

The previous prime is 3001155133. The next prime is 3001155139. The reversal of 3001155138 is 8315511003.

3001155138 is a `hidden beast` number, since 30 + 0 + 115 + 513 + 8 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3001155133) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 399006 + ... + 406457.

Almost surely, 2^3001155138 is an apocalyptic number.

3001155138 is an abundant number, since it is smaller than the sum of its proper divisors (4016047230).

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

3001155138 is a wasteful number, since it uses less digits than its factorization.

3001155138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805500 (or 805491 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 3001155138 is about 54782.7996546361. The cubic root of 3001155138 is about 1442.4346573631.

The spelling of 3001155138 in words is "three billion, one million, one hundred fifty-five thousand, one hundred thirty-eight".