140006131 has 2 divisors, whose sum is σ = 140006132. Its totient is φ = 140006130.

The previous prime is 140006123. The next prime is 140006159. The reversal of 140006131 is 131600041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140006131 - 2³ = 140006123 is a prime.

It is a super-2 number, since 2×140006131² = 39203433435178322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140006831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70003065 + 70003066.

It is an arithmetic number, because the mean of its divisors is an integer number (70003066).

Almost surely, 2^140006131 is an apocalyptic number.

140006131 is a deficient number, since it is larger than the sum of its proper divisors (1).

140006131 is an equidigital number, since it uses as much as digits as its factorization.

140006131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 140006131 is about 11832.4186453996. The cubic root of 140006131 is about 519.2569898795.

Adding to 140006131 its reverse (131600041), we get a palindrome (271606172).

The spelling of 140006131 in words is "one hundred forty million, six thousand, one hundred thirty-one".