140486407 has 2 divisors, whose sum is σ = 140486408. Its totient is φ = 140486406.

The previous prime is 140486363. The next prime is 140486429. The reversal of 140486407 is 704684041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140486407 - 2¹¹ = 140484359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140486107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70243203 + 70243204.

It is an arithmetic number, because the mean of its divisors is an integer number (70243204).

Almost surely, 2^140486407 is an apocalyptic number.

140486407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140486407 is an equidigital number, since it uses as much as digits as its factorization.

140486407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 140486407 is about 11852.6961911626. The cubic root of 140486407 is about 519.8500640204.

The spelling of 140486407 in words is "one hundred forty million, four hundred eighty-six thousand, four hundred seven".