140462997 has 8 divisors (see below), whose sum is σ = 187466400. Its totient is φ = 93550800.

The previous prime is 140462969. The next prime is 140462999. The reversal of 140462997 is 799264041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140462997 - 2¹⁵ = 140430229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140462999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19122 + ... + 25427.

It is an arithmetic number, because the mean of its divisors is an integer number (23433300).

Almost surely, 2^140462997 is an apocalyptic number.

It is an amenable number.

140462997 is a deficient number, since it is larger than the sum of its proper divisors (47003403).

140462997 is a wasteful number, since it uses less digits than its factorization.

140462997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45603.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 140462997 is about 11851.7086109978. The cubic root of 140462997 is about 519.8211872859.

The spelling of 140462997 in words is "one hundred forty million, four hundred sixty-two thousand, nine hundred ninety-seven".