235140491 has 2 divisors, whose sum is σ = 235140492. Its totient is φ = 235140490.

The previous prime is 235140463. The next prime is 235140517. The reversal of 235140491 is 194041532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235140491 - 2¹⁰ = 235139467 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (235140461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117570245 + 117570246.

It is an arithmetic number, because the mean of its divisors is an integer number (117570246).

Almost surely, 2^235140491 is an apocalyptic number.

235140491 is a deficient number, since it is larger than the sum of its proper divisors (1).

235140491 is an equidigital number, since it uses as much as digits as its factorization.

235140491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 235140491 is about 15334.2913432607. The cubic root of 235140491 is about 617.2235293577.

The spelling of 235140491 in words is "two hundred thirty-five million, one hundred forty thousand, four hundred ninety-one".