140262071 has 2 divisors, whose sum is σ = 140262072. Its totient is φ = 140262070.

The previous prime is 140262037. The next prime is 140262113. The reversal of 140262071 is 170262041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140262071 is a prime.

It is a super-2 number, since 2×140262071² = 39346897122418082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140261071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70131035 + 70131036.

It is an arithmetic number, because the mean of its divisors is an integer number (70131036).

Almost surely, 2^140262071 is an apocalyptic number.

140262071 is a deficient number, since it is larger than the sum of its proper divisors (1).

140262071 is an equidigital number, since it uses as much as digits as its factorization.

140262071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140262071 is about 11843.2289093811. The cubic root of 140262071 is about 519.5732087309.

The spelling of 140262071 in words is "one hundred forty million, two hundred sixty-two thousand, seventy-one".