140244682 has 16 divisors (see below), whose sum is σ = 222453504. Its totient is φ = 66204000.

The previous prime is 140244659. The next prime is 140244683. The reversal of 140244682 is 286442041.

It is a super-2 number, since 2×140244682² = 39337141658562248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (140244683) 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, 25044 + ... + 30127.

It is an arithmetic number, because the mean of its divisors is an integer number (13903344).

Almost surely, 2^140244682 is an apocalyptic number.

140244682 is a deficient number, since it is larger than the sum of its proper divisors (82208822).

140244682 is a wasteful number, since it uses less digits than its factorization.

140244682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55245.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 140244682 is about 11842.4947540626. The cubic root of 140244682 is about 519.5517364687.

The spelling of 140244682 in words is "one hundred forty million, two hundred forty-four thousand, six hundred eighty-two".