140432426 has 8 divisors (see below), whose sum is σ = 210735840. Its totient is φ = 70187148.

The previous prime is 140432371. The next prime is 140432437. The reversal of 140432426 is 624234041.

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 = 140432395 and 140432404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7886 + ... + 18521.

It is an arithmetic number, because the mean of its divisors is an integer number (26341980).

Almost surely, 2^140432426 is an apocalyptic number.

140432426 is a deficient number, since it is larger than the sum of its proper divisors (70303414).

140432426 is a wasteful number, since it uses less digits than its factorization.

140432426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29068.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 140432426 is about 11850.4188111644. The cubic root of 140432426 is about 519.7834724739.

Adding to 140432426 its reverse (624234041), we get a palindrome (764666467).

The spelling of 140432426 in words is "one hundred forty million, four hundred thirty-two thousand, four hundred twenty-six".