290029139 has 2 divisors, whose sum is σ = 290029140. Its totient is φ = 290029138.

The previous prime is 290029133. The next prime is 290029147. The reversal of 290029139 is 931920092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290029139 - 2⁴ = 290029123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290029099 and 290029108.

It is not a weakly prime, because it can be changed into another prime (290029133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145014569 + 145014570.

It is an arithmetic number, because the mean of its divisors is an integer number (145014570).

Almost surely, 2^290029139 is an apocalyptic number.

290029139 is a deficient number, since it is larger than the sum of its proper divisors (1).

290029139 is an equidigital number, since it uses as much as digits as its factorization.

290029139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 290029139 is about 17030.2418949350. The cubic root of 290029139 is about 661.9327635002.

The spelling of 290029139 in words is "two hundred ninety million, twenty-nine thousand, one hundred thirty-nine".