140376461 has 2 divisors, whose sum is σ = 140376462. Its totient is φ = 140376460.

The previous prime is 140376449. The next prime is 140376479. The reversal of 140376461 is 164673041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91795561 + 48580900 = 9581^2 + 6970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140376461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140376961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70188230 + 70188231.

It is an arithmetic number, because the mean of its divisors is an integer number (70188231).

Almost surely, 2^140376461 is an apocalyptic number.

It is an amenable number.

140376461 is a deficient number, since it is larger than the sum of its proper divisors (1).

140376461 is an equidigital number, since it uses as much as digits as its factorization.

140376461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140376461 is about 11848.0572669109. The cubic root of 140376461 is about 519.7144154240.

The spelling of 140376461 in words is "one hundred forty million, three hundred seventy-six thousand, four hundred sixty-one".