140425399 has 2 divisors, whose sum is σ = 140425400. Its totient is φ = 140425398.

The previous prime is 140425393. The next prime is 140425421. The reversal of 140425399 is 993524041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140425399 - 2³ = 140425391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140425391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70212699 + 70212700.

It is an arithmetic number, because the mean of its divisors is an integer number (70212700).

Almost surely, 2^140425399 is an apocalyptic number.

140425399 is a deficient number, since it is larger than the sum of its proper divisors (1).

140425399 is an equidigital number, since it uses as much as digits as its factorization.

140425399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 140425399 is about 11850.1223200438. The cubic root of 140425399 is about 519.7748026354.

The spelling of 140425399 in words is "one hundred forty million, four hundred twenty-five thousand, three hundred ninety-nine".