140550427 has 2 divisors, whose sum is σ = 140550428. Its totient is φ = 140550426.

The previous prime is 140550409. The next prime is 140550463. The reversal of 140550427 is 724055041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140550427 - 2¹⁵ = 140517659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140550395 and 140550404.

It is not a weakly prime, because it can be changed into another prime (140590427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70275213 + 70275214.

It is an arithmetic number, because the mean of its divisors is an integer number (70275214).

Almost surely, 2^140550427 is an apocalyptic number.

140550427 is a deficient number, since it is larger than the sum of its proper divisors (1).

140550427 is an equidigital number, since it uses as much as digits as its factorization.

140550427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 140550427 is about 11855.3965349119. The cubic root of 140550427 is about 519.9290176779.

The spelling of 140550427 in words is "one hundred forty million, five hundred fifty thousand, four hundred twenty-seven".