140425091 has 2 divisors, whose sum is σ = 140425092. Its totient is φ = 140425090.

The previous prime is 140425081. The next prime is 140425093. The reversal of 140425091 is 190524041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140425091 - 2¹⁴ = 140408707 is a prime.

Together with 140425093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140425091.

It is not a weakly prime, because it can be changed into another prime (140425093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212545 + 70212546.

It is an arithmetic number, because the mean of its divisors is an integer number (70212546).

Almost surely, 2^140425091 is an apocalyptic number.

140425091 is a deficient number, since it is larger than the sum of its proper divisors (1).

140425091 is an equidigital number, since it uses as much as digits as its factorization.

140425091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 140425091 is about 11850.1093243902. The cubic root of 140425091 is about 519.7744226216.

The spelling of 140425091 in words is "one hundred forty million, four hundred twenty-five thousand, ninety-one".