140641426 has 8 divisors (see below), whose sum is σ = 211098240. Its totient is φ = 70275348.

The previous prime is 140641411. The next prime is 140641429. The reversal of 140641426 is 624146041.

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 = 140641394 and 140641403.

It is not an unprimeable number, because it can be changed into a prime (140641429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18666 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (26387280).

Almost surely, 2^140641426 is an apocalyptic number.

140641426 is a deficient number, since it is larger than the sum of its proper divisors (70456814).

140641426 is a wasteful number, since it uses less digits than its factorization.

140641426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45368.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 140641426 is about 11859.2337863793. The cubic root of 140641426 is about 520.0412023565.

Adding to 140641426 its reverse (624146041), we get a palindrome (764787467).

The spelling of 140641426 in words is "one hundred forty million, six hundred forty-one thousand, four hundred twenty-six".