140252826 has 16 divisors (see below), whose sum is σ = 320577984. Its totient is φ = 40072224.

The previous prime is 140252821. The next prime is 140252837. The reversal of 140252826 is 628252041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140252793 and 140252802.

It is not an unprimeable number, because it can be changed into a prime (140252821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669635 + ... + 1669718.

It is an arithmetic number, because the mean of its divisors is an integer number (20036124).

Almost surely, 2^140252826 is an apocalyptic number.

140252826 is an abundant number, since it is smaller than the sum of its proper divisors (180325158).

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

140252826 is a wasteful number, since it uses less digits than its factorization.

140252826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339365.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 140252826 is about 11842.8385955395. The cubic root of 140252826 is about 519.5617930531.

The spelling of 140252826 in words is "one hundred forty million, two hundred fifty-two thousand, eight hundred twenty-six".