140280131 has 2 divisors, whose sum is σ = 140280132. Its totient is φ = 140280130.

The previous prime is 140280113. The next prime is 140280137. The reversal of 140280131 is 131082041.

Together with previous prime (140280113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140280131 - 2¹⁰ = 140279107 is a prime.

It is a super-2 number, since 2×140280131² = 39357030306754322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140280137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70140065 + 70140066.

It is an arithmetic number, because the mean of its divisors is an integer number (70140066).

Almost surely, 2^140280131 is an apocalyptic number.

140280131 is a deficient number, since it is larger than the sum of its proper divisors (1).

140280131 is an equidigital number, since it uses as much as digits as its factorization.

140280131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 140280131 is about 11843.9913458260. The cubic root of 140280131 is about 519.5955076779.

The spelling of 140280131 in words is "one hundred forty million, two hundred eighty thousand, one hundred thirty-one".