140257996 has 6 divisors (see below), whose sum is σ = 245451500. Its totient is φ = 70128996.

The previous prime is 140257969. The next prime is 140258003. The reversal of 140257996 is 699752041.

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, 17532246 + ... + 17532253.

Almost surely, 2^140257996 is an apocalyptic number.

It is an amenable number.

140257996 is a deficient number, since it is larger than the sum of its proper divisors (105193504).

140257996 is a wasteful number, since it uses less digits than its factorization.

140257996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35064503 (or 35064501 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 140257996 is about 11843.0568689000. The cubic root of 140257996 is about 519.5681770040.

The spelling of 140257996 in words is "one hundred forty million, two hundred fifty-seven thousand, nine hundred ninety-six".