140422351 has 2 divisors, whose sum is σ = 140422352. Its totient is φ = 140422350.

The previous prime is 140422339. The next prime is 140422357. The reversal of 140422351 is 153224041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140422351 - 2⁵ = 140422319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140422357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211175 + 70211176.

It is an arithmetic number, because the mean of its divisors is an integer number (70211176).

Almost surely, 2^140422351 is an apocalyptic number.

140422351 is a deficient number, since it is larger than the sum of its proper divisors (1).

140422351 is an equidigital number, since it uses as much as digits as its factorization.

140422351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140422351 is about 11849.9937130785. The cubic root of 140422351 is about 519.7710419551.

Adding to 140422351 its reverse (153224041), we get a palindrome (293646392).

The spelling of 140422351 in words is "one hundred forty million, four hundred twenty-two thousand, three hundred fifty-one".