140147722 has 32 divisors (see below), whose sum is σ = 248351040. Its totient is φ = 58475520.

The previous prime is 140147713. The next prime is 140147729. The reversal of 140147722 is 227741041.

It is not an unprimeable number, because it can be changed into a prime (140147729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53929 + ... + 56467.

It is an arithmetic number, because the mean of its divisors is an integer number (7760970).

Almost surely, 2^140147722 is an apocalyptic number.

140147722 is a deficient number, since it is larger than the sum of its proper divisors (108203318).

140147722 is a wasteful number, since it uses less digits than its factorization.

140147722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 140147722 is about 11838.4003142316. The cubic root of 140147722 is about 519.4319758963.

Adding to 140147722 its reverse (227741041), we get a palindrome (367888763).

It can be divided in two parts, 14014 and 7722, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 140147722 in words is "one hundred forty million, one hundred forty-seven thousand, seven hundred twenty-two".