140001187 has 2 divisors, whose sum is σ = 140001188. Its totient is φ = 140001186.

The previous prime is 140001133. The next prime is 140001209. The reversal of 140001187 is 781100041.

140001187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (140001209) can be obtained adding 140001187 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140001187 is a prime.

It is a super-2 number, since 2×140001187² = 39200664722817938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70000593 + 70000594.

It is an arithmetic number, because the mean of its divisors is an integer number (70000594).

Almost surely, 2^140001187 is an apocalyptic number.

140001187 is a deficient number, since it is larger than the sum of its proper divisors (1).

140001187 is an equidigital number, since it uses as much as digits as its factorization.

140001187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 140001187 is about 11832.2097259979. The cubic root of 140001187 is about 519.2508776787.

The spelling of 140001187 in words is "one hundred forty million, one thousand, one hundred eighty-seven".