140252522 has 8 divisors (see below), whose sum is σ = 214348356. Its totient is φ = 68803072.

The previous prime is 140252501. The next prime is 140252569. The reversal of 140252522 is 225252041.

It can be written as a sum of positive squares in 2 ways, for example, as 140161921 + 90601 = 11839^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661463 + ... + 661674.

Almost surely, 2^140252522 is an apocalyptic number.

140252522 is a deficient number, since it is larger than the sum of its proper divisors (74095834).

140252522 is a wasteful number, since it uses less digits than its factorization.

140252522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323192.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140252522 is about 11842.8257607718. The cubic root of 140252522 is about 519.5614176669.

The spelling of 140252522 in words is "one hundred forty million, two hundred fifty-two thousand, five hundred twenty-two".