140422972 has 6 divisors (see below), whose sum is σ = 245740208. Its totient is φ = 70211484.

The previous prime is 140422951. The next prime is 140422973. The reversal of 140422972 is 279224041.

It is a super-2 number, since 2×140422972² = 39437222130625568, which contains 22 as substring.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 17552868 + ... + 17552875.

Almost surely, 2^140422972 is an apocalyptic number.

It is an amenable number.

140422972 is a deficient number, since it is larger than the sum of its proper divisors (105317236).

140422972 is a wasteful number, since it uses less digits than its factorization.

140422972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35105747 (or 35105745 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 140422972 is about 11850.0199155951. The cubic root of 140422972 is about 519.7718081611.

The spelling of 140422972 in words is "one hundred forty million, four hundred twenty-two thousand, nine hundred seventy-two".