140742886 has 4 divisors (see below), whose sum is σ = 211114332. Its totient is φ = 70371442.

The previous prime is 140742859. The next prime is 140742919. The reversal of 140742886 is 688247041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35185720 + ... + 35185723.

It is an arithmetic number, because the mean of its divisors is an integer number (52778583).

Almost surely, 2^140742886 is an apocalyptic number.

140742886 is a deficient number, since it is larger than the sum of its proper divisors (70371446).

140742886 is an equidigital number, since it uses as much as digits as its factorization.

140742886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70371445.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 140742886 is about 11863.5106945626. The cubic root of 140742886 is about 520.1662264432.

The spelling of 140742886 in words is "one hundred forty million, seven hundred forty-two thousand, eight hundred eighty-six".