290156013 has 40 divisors (see below), whose sum is σ = 498791040. Its totient is φ = 164656800.

The previous prime is 290155993. The next prime is 290156021. The reversal of 290156013 is 310651092.

290156013 is a `hidden beast` number, since 2 + 90 + 1 + 560 + 13 = 666.

It is not a de Polignac number, because 290156013 - 2¹⁰ = 290154989 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290156023) 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 39 ways as a sum of consecutive naturals, for example, 83923 + ... + 87311.

It is an arithmetic number, because the mean of its divisors is an integer number (12469776).

Almost surely, 2^290156013 is an apocalyptic number.

It is an amenable number.

290156013 is a deficient number, since it is larger than the sum of its proper divisors (208635027).

290156013 is a wasteful number, since it uses less digits than its factorization.

290156013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 290156013 is about 17033.9664494210. The cubic root of 290156013 is about 662.0292708312.

The spelling of 290156013 in words is "two hundred ninety million, one hundred fifty-six thousand, thirteen".