140720254 has 16 divisors (see below), whose sum is σ = 224360928. Its totient is φ = 65965312.

The previous prime is 140720249. The next prime is 140720269. The reversal of 140720254 is 452027041.

140720254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 16810.

It is an arithmetic number, because the mean of its divisors is an integer number (14022558).

Almost surely, 2^140720254 is an apocalyptic number.

140720254 is a deficient number, since it is larger than the sum of its proper divisors (83640674).

140720254 is a wasteful number, since it uses less digits than its factorization.

140720254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16019.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 140720254 is about 11862.5568070294. The cubic root of 140720254 is about 520.1383433687.

Adding to 140720254 its reverse (452027041), we get a palindrome (592747295).

The spelling of 140720254 in words is "one hundred forty million, seven hundred twenty thousand, two hundred fifty-four".