140722894 has 8 divisors (see below), whose sum is σ = 227321640. Its totient is φ = 64949016.

The previous prime is 140722891. The next prime is 140722909. The reversal of 140722894 is 498227041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140722891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2706184 + ... + 2706235.

It is an arithmetic number, because the mean of its divisors is an integer number (28415205).

Almost surely, 2^140722894 is an apocalyptic number.

140722894 is a deficient number, since it is larger than the sum of its proper divisors (86598746).

140722894 is a wasteful number, since it uses less digits than its factorization.

140722894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412434.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 140722894 is about 11862.6680810010. The cubic root of 140722894 is about 520.1415960553.

The spelling of 140722894 in words is "one hundred forty million, seven hundred twenty-two thousand, eight hundred ninety-four".