140056929 has 6 divisors (see below), whose sum is σ = 202304466. Its totient is φ = 93371280.

The previous prime is 140056927. The next prime is 140056937. The reversal of 140056929 is 929650041.

It can be written as a sum of positive squares in only one way, i.e., 128867904 + 11189025 = 11352^2 + 3345^2 .

It is not a de Polignac number, because 140056929 - 2¹ = 140056927 is a prime.

It is a super-2 number, since 2×140056929² = 39231886721822082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140056893 and 140056902.

It is not an unprimeable number, because it can be changed into a prime (140056927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7780932 + ... + 7780949.

It is an arithmetic number, because the mean of its divisors is an integer number (33717411).

Almost surely, 2^140056929 is an apocalyptic number.

It is an amenable number.

140056929 is a deficient number, since it is larger than the sum of its proper divisors (62247537).

140056929 is a wasteful number, since it uses less digits than its factorization.

140056929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561887 (or 15561884 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 140056929 is about 11834.5650110175. The cubic root of 140056929 is about 519.3197824323.

The spelling of 140056929 in words is "one hundred forty million, fifty-six thousand, nine hundred twenty-nine".