140834641 has 2 divisors, whose sum is σ = 140834642. Its totient is φ = 140834640.

The previous prime is 140834627. The next prime is 140834653. The reversal of 140834641 is 146438041.

140834641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125350416 + 15484225 = 11196^2 + 3935^2 .

It is a cyclic number.

It is not a de Polignac number, because 140834641 - 2¹³ = 140826449 is a prime.

It is a super-2 number, since 2×140834641² = 39668792211197762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140834741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70417320 + 70417321.

It is an arithmetic number, because the mean of its divisors is an integer number (70417321).

Almost surely, 2^140834641 is an apocalyptic number.

It is an amenable number.

140834641 is a deficient number, since it is larger than the sum of its proper divisors (1).

140834641 is an equidigital number, since it uses as much as digits as its factorization.

140834641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 140834641 is about 11867.3771744223. The cubic root of 140834641 is about 520.2792398144.

The spelling of 140834641 in words is "one hundred forty million, eight hundred thirty-four thousand, six hundred forty-one".