140271407 has 2 divisors, whose sum is σ = 140271408. Its totient is φ = 140271406.

The previous prime is 140271367. The next prime is 140271413. The reversal of 140271407 is 704172041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140271407 - 2²⁴ = 123494191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140271427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70135703 + 70135704.

It is an arithmetic number, because the mean of its divisors is an integer number (70135704).

Almost surely, 2^140271407 is an apocalyptic number.

140271407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140271407 is an equidigital number, since it uses as much as digits as its factorization.

140271407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 140271407 is about 11843.6230520901. The cubic root of 140271407 is about 519.5847362660.

The spelling of 140271407 in words is "one hundred forty million, two hundred seventy-one thousand, four hundred seven".