140672894 has 4 divisors (see below), whose sum is σ = 211009344. Its totient is φ = 70336446.

The previous prime is 140672887. The next prime is 140672897. The reversal of 140672894 is 498276041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498276041 = 4733 ⋅105277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140672897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35168222 + ... + 35168225.

It is an arithmetic number, because the mean of its divisors is an integer number (52752336).

Almost surely, 2^140672894 is an apocalyptic number.

140672894 is a deficient number, since it is larger than the sum of its proper divisors (70336450).

140672894 is an equidigital number, since it uses as much as digits as its factorization.

140672894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70336449.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 140672894 is about 11860.5604420702. The cubic root of 140672894 is about 520.0799852307.

It can be divided in two parts, 14067 and 2894, that added together give a palindrome (16961).

The spelling of 140672894 in words is "one hundred forty million, six hundred seventy-two thousand, eight hundred ninety-four".