140876641 has 8 divisors (see below), whose sum is σ = 143195624. Its totient is φ = 138568320.

The previous prime is 140876611. The next prime is 140876651. The reversal of 140876641 is 146678041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67174416 + 73702225 = 8196^2 + 8585^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140876641 - 2⁵ = 140876609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140876641.

It is not an unprimeable number, because it can be changed into a prime (140876611) 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, 26551 + ... + 31411.

It is an arithmetic number, because the mean of its divisors is an integer number (17899453).

Almost surely, 2^140876641 is an apocalyptic number.

It is an amenable number.

140876641 is a deficient number, since it is larger than the sum of its proper divisors (2318983).

140876641 is an equidigital number, since it uses as much as digits as its factorization.

140876641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 140876641 is about 11869.1465994822. The cubic root of 140876641 is about 520.3309542601.

The spelling of 140876641 in words is "one hundred forty million, eight hundred seventy-six thousand, six hundred forty-one".