140407907 has 2 divisors, whose sum is σ = 140407908. Its totient is φ = 140407906.

The previous prime is 140407867. The next prime is 140407921. The reversal of 140407907 is 709704041.

140407907 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 is a cyclic number.

It is not a de Polignac number, because 140407907 - 2⁶ = 140407843 is a prime.

It is not a weakly prime, because it can be changed into another prime (140407987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70203953 + 70203954.

It is an arithmetic number, because the mean of its divisors is an integer number (70203954).

Almost surely, 2^140407907 is an apocalyptic number.

140407907 is a deficient number, since it is larger than the sum of its proper divisors (1).

140407907 is an equidigital number, since it uses as much as digits as its factorization.

140407907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 140407907 is about 11849.3842456053. The cubic root of 140407907 is about 519.7532199339.

The spelling of 140407907 in words is "one hundred forty million, four hundred seven thousand, nine hundred seven".