140230026 has 24 divisors (see below), whose sum is σ = 306623460. Its totient is φ = 46313856.

The previous prime is 140230001. The next prime is 140230039. The reversal of 140230026 is 620032041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126900225 + 13329801 = 11265^2 + 3651^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140229990 and 140230008.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33775 + ... + 37698.

Almost surely, 2^140230026 is an apocalyptic number.

140230026 is an abundant number, since it is smaller than the sum of its proper divisors (166393434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140230026 is a wasteful number, since it uses less digits than its factorization.

140230026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71590 (or 71587 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140230026 is about 11841.8759493587. The cubic root of 140230026 is about 519.5336375875.

Adding to 140230026 its reverse (620032041), we get a palindrome (760262067).

The spelling of 140230026 in words is "one hundred forty million, two hundred thirty thousand, twenty-six".