140104777 has 2 divisors, whose sum is σ = 140104778. Its totient is φ = 140104776.

The previous prime is 140104721. The next prime is 140104787. The reversal of 140104777 is 777401041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132158016 + 7946761 = 11496^2 + 2819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140104777 is a prime.

It is not a weakly prime, because it can be changed into another prime (140104787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70052388 + 70052389.

It is an arithmetic number, because the mean of its divisors is an integer number (70052389).

Almost surely, 2^140104777 is an apocalyptic number.

It is an amenable number.

140104777 is a deficient number, since it is larger than the sum of its proper divisors (1).

140104777 is an equidigital number, since it uses as much as digits as its factorization.

140104777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 140104777 is about 11836.5863744578. The cubic root of 140104777 is about 519.3789145390.

The spelling of 140104777 in words is "one hundred forty million, one hundred four thousand, seven hundred seventy-seven".