140422951 has 2 divisors, whose sum is σ = 140422952. Its totient is φ = 140422950.

The previous prime is 140422949. The next prime is 140422973. The reversal of 140422951 is 159224041.

140422951 = T₉₆₇₄ + T₉₆₇₅ + T₉₆₇₆.

It is a weak prime.

It is an emirp because it is prime and its reverse (159224041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140422951 - 2¹ = 140422949 is a prime.

Together with 140422949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140422351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70211475 + 70211476.

It is an arithmetic number, because the mean of its divisors is an integer number (70211476).

Almost surely, 2^140422951 is an apocalyptic number.

140422951 is the 9676-th centered triangular number.

140422951 is a deficient number, since it is larger than the sum of its proper divisors (1).

140422951 is an equidigital number, since it uses as much as digits as its factorization.

140422951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 140422951 is about 11850.0190295206. The cubic root of 140422951 is about 519.7717822508.

Adding to 140422951 its reverse (159224041), we get a palindrome (299646992).

The spelling of 140422951 in words is "one hundred forty million, four hundred twenty-two thousand, nine hundred fifty-one".