140131426 has 8 divisors (see below), whose sum is σ = 211487184. Its totient is φ = 69635700.

The previous prime is 140131423. The next prime is 140131427. The reversal of 140131426 is 624131041.

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 = 140131397 and 140131406.

It is not an unprimeable number, because it can be changed into a prime (140131423) 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, 214600 + ... + 215251.

It is an arithmetic number, because the mean of its divisors is an integer number (26435898).

Almost surely, 2^140131426 is an apocalyptic number.

140131426 is a deficient number, since it is larger than the sum of its proper divisors (71355758).

140131426 is a wasteful number, since it uses less digits than its factorization.

140131426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430016.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140131426 is about 11837.7120255563. The cubic root of 140131426 is about 519.4118423985.

Adding to 140131426 its reverse (624131041), we get a palindrome (764262467).

The spelling of 140131426 in words is "one hundred forty million, one hundred thirty-one thousand, four hundred twenty-six".