140374478 has 4 divisors (see below), whose sum is σ = 210561720. Its totient is φ = 70187238.

The previous prime is 140374469. The next prime is 140374501. The reversal of 140374478 is 874473041.

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

It is a Curzon number.

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, 35093618 + ... + 35093621.

It is an arithmetic number, because the mean of its divisors is an integer number (52640430).

Almost surely, 2^140374478 is an apocalyptic number.

140374478 is a deficient number, since it is larger than the sum of its proper divisors (70187242).

140374478 is an equidigital number, since it uses as much as digits as its factorization.

140374478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70187241.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 140374478 is about 11847.9735820097. The cubic root of 140374478 is about 519.7119681986.

The spelling of 140374478 in words is "one hundred forty million, three hundred seventy-four thousand, four hundred seventy-eight".