140674642 has 4 divisors (see below), whose sum is σ = 211011966. Its totient is φ = 70337320.

The previous prime is 140674627. The next prime is 140674663. The reversal of 140674642 is 246476041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124746561 + 15928081 = 11169^2 + 3991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140674598 and 140674607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35168659 + ... + 35168662.

Almost surely, 2^140674642 is an apocalyptic number.

140674642 is a deficient number, since it is larger than the sum of its proper divisors (70337324).

140674642 is an equidigital number, since it uses as much as digits as its factorization.

140674642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70337323.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 140674642 is about 11860.6341314451. The cubic root of 140674642 is about 520.0821393914.

The spelling of 140674642 in words is "one hundred forty million, six hundred seventy-four thousand, six hundred forty-two".