140415026 has 8 divisors (see below), whose sum is σ = 210799260. Its totient is φ = 70148608.

The previous prime is 140415007. The next prime is 140415029. The reversal of 140415026 is 620514041.

It can be written as a sum of positive squares in 2 ways, for example, as 129846025 + 10569001 = 11395^2 + 3251^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140414992 and 140415010.

It is not an unprimeable number, because it can be changed into a prime (140415029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26411 + ... + 31278.

Almost surely, 2^140415026 is an apocalyptic number.

140415026 is a deficient number, since it is larger than the sum of its proper divisors (70384234).

140415026 is a wasteful number, since it uses less digits than its factorization.

140415026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58908.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140415026 is about 11849.6846371539. The cubic root of 140415026 is about 519.7620040087.

Adding to 140415026 its reverse (620514041), we get a palindrome (760929067).

The spelling of 140415026 in words is "one hundred forty million, four hundred fifteen thousand, twenty-six".