140051426 has 4 divisors (see below), whose sum is σ = 210077142. Its totient is φ = 70025712.

The previous prime is 140051383. The next prime is 140051447. The reversal of 140051426 is 624150041.

140051426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135745801 + 4305625 = 11651^2 + 2075^2 .

It is a super-2 number, since 2×140051426² = 39228803849266952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35012855 + ... + 35012858.

Almost surely, 2^140051426 is an apocalyptic number.

140051426 is a deficient number, since it is larger than the sum of its proper divisors (70025716).

140051426 is an equidigital number, since it uses as much as digits as its factorization.

140051426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70025715.

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

The square root of 140051426 is about 11834.3325118065. The cubic root of 140051426 is about 519.3129807833.

The spelling of 140051426 in words is "one hundred forty million, fifty-one thousand, four hundred twenty-six".