140841629 has 2 divisors, whose sum is σ = 140841630. Its totient is φ = 140841628.

The previous prime is 140841599. The next prime is 140841643. The reversal of 140841629 is 926148041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114811225 + 26030404 = 10715^2 + 5102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140841629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140841229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70420814 + 70420815.

It is an arithmetic number, because the mean of its divisors is an integer number (70420815).

Almost surely, 2^140841629 is an apocalyptic number.

It is an amenable number.

140841629 is a deficient number, since it is larger than the sum of its proper divisors (1).

140841629 is an equidigital number, since it uses as much as digits as its factorization.

140841629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 140841629 is about 11867.6715913443. The cubic root of 140841629 is about 520.2878448261.

The spelling of 140841629 in words is "one hundred forty million, eight hundred forty-one thousand, six hundred twenty-nine".