140921068 has 6 divisors (see below), whose sum is σ = 246611876. Its totient is φ = 70460532.

The previous prime is 140921029. The next prime is 140921083. The reversal of 140921068 is 860129041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17615130 + ... + 17615137.

Almost surely, 2^140921068 is an apocalyptic number.

It is an amenable number.

140921068 is a deficient number, since it is larger than the sum of its proper divisors (105690808).

140921068 is a wasteful number, since it uses less digits than its factorization.

140921068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35230271 (or 35230269 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 140921068 is about 11871.0179849919. The cubic root of 140921068 is about 520.3856458767.

The spelling of 140921068 in words is "one hundred forty million, nine hundred twenty-one thousand, sixty-eight".