140633051894 has 4 divisors (see below), whose sum is σ = 210949577844. Its totient is φ = 70316525946.

The previous prime is 140633051893. The next prime is 140633051941. The reversal of 140633051894 is 498150336041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140633051893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35158262972 + ... + 35158262975.

It is an arithmetic number, because the mean of its divisors is an integer number (52737394461).

Almost surely, 2^140633051894 is an apocalyptic number.

140633051894 is a deficient number, since it is larger than the sum of its proper divisors (70316525950).

140633051894 is an equidigital number, since it uses as much as digits as its factorization.

140633051894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70316525949.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 140633051894 in words is "one hundred forty billion, six hundred thirty-three million, fifty-one thousand, eight hundred ninety-four".