140422974 has 16 divisors (see below), whose sum is σ = 284401920. Its totient is φ = 46215000.

The previous prime is 140422973. The next prime is 140422987. The reversal of 140422974 is 479224041.

It is a super-2 number, since 2×140422974² = 39437223254009352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140422973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147652 + ... + 148599.

It is an arithmetic number, because the mean of its divisors is an integer number (17775120).

Almost surely, 2^140422974 is an apocalyptic number.

140422974 is an abundant number, since it is smaller than the sum of its proper divisors (143978946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140422974 is a wasteful number, since it uses less digits than its factorization.

140422974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296335.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 140422974 is about 11850.0199999831. The cubic root of 140422974 is about 519.7718106288.

The spelling of 140422974 in words is "one hundred forty million, four hundred twenty-two thousand, nine hundred seventy-four".