140474651 has 12 divisors (see below), whose sum is σ = 145865160. Its totient is φ = 135195840.

The previous prime is 140474647. The next prime is 140474669. The reversal of 140474651 is 156474041.

It is not a de Polignac number, because 140474651 - 2² = 140474647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140474611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894665 + ... + 894821.

It is an arithmetic number, because the mean of its divisors is an integer number (12155430).

Almost surely, 2^140474651 is an apocalyptic number.

140474651 is a deficient number, since it is larger than the sum of its proper divisors (5390509).

140474651 is an equidigital number, since it uses as much as digits as its factorization.

140474651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 140474651 is about 11852.2002598674. The cubic root of 140474651 is about 519.8355631445.

The spelling of 140474651 in words is "one hundred forty million, four hundred seventy-four thousand, six hundred fifty-one".