146940259 has 2 divisors, whose sum is σ = 146940260. Its totient is φ = 146940258.

The previous prime is 146940257. The next prime is 146940263. The reversal of 146940259 is 952049641.

It is a weak prime.

It is an emirp because it is prime and its reverse (952049641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146940259 - 2¹ = 146940257 is a prime.

Together with 146940257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146940253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73470129 + 73470130.

It is an arithmetic number, because the mean of its divisors is an integer number (73470130).

Almost surely, 2^146940259 is an apocalyptic number.

146940259 is a deficient number, since it is larger than the sum of its proper divisors (1).

146940259 is an equidigital number, since it uses as much as digits as its factorization.

146940259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 146940259 is about 12121.8917253043. The cubic root of 146940259 is about 527.6917045410.

The spelling of 146940259 in words is "one hundred forty-six million, nine hundred forty thousand, two hundred fifty-nine".