290135329 has 4 divisors (see below), whose sum is σ = 316511280. Its totient is φ = 263759380.

The previous prime is 290135299. The next prime is 290135347. The reversal of 290135329 is 923531092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 290135329 - 2¹¹ = 290133281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290135294 and 290135303.

It is not an unprimeable number, because it can be changed into a prime (290135369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13187959 + ... + 13187980.

It is an arithmetic number, because the mean of its divisors is an integer number (79127820).

Almost surely, 2^290135329 is an apocalyptic number.

It is an amenable number.

290135329 is a deficient number, since it is larger than the sum of its proper divisors (26375951).

290135329 is a wasteful number, since it uses less digits than its factorization.

290135329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375950.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 290135329 is about 17033.3592987408. The cubic root of 290135329 is about 662.0135393646.

The spelling of 290135329 in words is "two hundred ninety million, one hundred thirty-five thousand, three hundred twenty-nine".