140261427 has 12 divisors (see below), whose sum is σ = 204607104. Its totient is φ = 92581200.

The previous prime is 140261393. The next prime is 140261437. The reversal of 140261427 is 724162041.

140261427 is a `hidden beast` number, since 1 + 40 + 2 + 614 + 2 + 7 = 666.

It is not a de Polignac number, because 140261427 - 2⁸ = 140261171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140261427.

It is not an unprimeable number, because it can be changed into a prime (140261437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76243 + ... + 78060.

It is an arithmetic number, because the mean of its divisors is an integer number (17050592).

Almost surely, 2^140261427 is an apocalyptic number.

140261427 is a deficient number, since it is larger than the sum of its proper divisors (64345677).

140261427 is a wasteful number, since it uses less digits than its factorization.

140261427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154410 (or 154407 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140261427 is about 11843.2017208186. The cubic root of 140261427 is about 519.5724135393.

The spelling of 140261427 in words is "one hundred forty million, two hundred sixty-one thousand, four hundred twenty-seven".