140265426 has 16 divisors (see below), whose sum is σ = 320606784. Its totient is φ = 40075824.

The previous prime is 140265403. The next prime is 140265427. The reversal of 140265426 is 624562041.

It is a super-2 number, since 2×140265426² = 39348779461922952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140265393 and 140265402.

It is not an unprimeable number, because it can be changed into a prime (140265427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1669785 + ... + 1669868.

It is an arithmetic number, because the mean of its divisors is an integer number (20037924).

Almost surely, 2^140265426 is an apocalyptic number.

140265426 is an abundant number, since it is smaller than the sum of its proper divisors (180341358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140265426 is a wasteful number, since it uses less digits than its factorization.

140265426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339665.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 140265426 is about 11843.3705506498. The cubic root of 140265426 is about 519.5773513434.

The spelling of 140265426 in words is "one hundred forty million, two hundred sixty-five thousand, four hundred twenty-six".