140104144 has 10 divisors (see below), whose sum is σ = 271451810. Its totient is φ = 70052064.

The previous prime is 140104117. The next prime is 140104171. The reversal of 140104144 is 441401041.

It is an interprime number because it is at equal distance from previous prime (140104117) and next prime (140104171).

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 42094144 = 9900^2 + 6488^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4378239 + ... + 4378270.

It is an arithmetic number, because the mean of its divisors is an integer number (27145181).

Almost surely, 2^140104144 is an apocalyptic number.

It is an amenable number.

140104144 is a deficient number, since it is larger than the sum of its proper divisors (131347666).

140104144 is an equidigital number, since it uses as much as digits as its factorization.

140104144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756517 (or 8756511 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 140104144 is about 11836.5596352994. The cubic root of 140104144 is about 519.3781323450.

Adding to 140104144 its reverse (441401041), we get a palindrome (581505185).

The spelling of 140104144 in words is "one hundred forty million, one hundred four thousand, one hundred forty-four".