140517927 has 12 divisors (see below), whose sum is σ = 221422344. Its totient is φ = 85162320.

The previous prime is 140517887. The next prime is 140517931. The reversal of 140517927 is 729715041.

It is a happy number.

It is not a de Polignac number, because 140517927 - 2¹⁵ = 140485159 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 140517891 and 140517900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140517227) 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, 709588 + ... + 709785.

It is an arithmetic number, because the mean of its divisors is an integer number (18451862).

Almost surely, 2^140517927 is an apocalyptic number.

140517927 is a deficient number, since it is larger than the sum of its proper divisors (80904417).

140517927 is a wasteful number, since it uses less digits than its factorization.

140517927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419390 (or 1419387 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 140517927 is about 11854.0257718633. The cubic root of 140517927 is about 519.8889395459. Note that the first 3 decimals are identical.

The spelling of 140517927 in words is "one hundred forty million, five hundred seventeen thousand, nine hundred twenty-seven".