140365426 has 16 divisors (see below), whose sum is σ = 222789600. Its totient is φ = 66140928.

The previous prime is 140365409. The next prime is 140365439. The reversal of 140365426 is 624563041.

It is a super-2 number, since 2×140365426² = 39404905632322952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (13924350).

Almost surely, 2^140365426 is an apocalyptic number.

140365426 is a deficient number, since it is larger than the sum of its proper divisors (82424174).

140365426 is a wasteful number, since it uses less digits than its factorization.

140365426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19353.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 140365426 is about 11847.5915695976. The cubic root of 140365426 is about 519.7007968092.

The spelling of 140365426 in words is "one hundred forty million, three hundred sixty-five thousand, four hundred twenty-six".