140806551029706 has 12 divisors (see below), whose sum is σ = 305080860564402. Its totient is φ = 46935517009896.

The previous prime is 140806551029693. The next prime is 140806551029717. The reversal of 140806551029706 is 607920155608041.

It is a happy number.

140806551029706 is a `hidden beast` number, since 1 + 4 + 0 + 80 + 6 + 551 + 0 + 2 + 9 + 7 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126505333956681 + 14301217073025 = 11247459^2 + 3781695^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3911293084141 + ... + 3911293084176.

Almost surely, 2^{140806551029706} is an apocalyptic number.

140806551029706 is an abundant number, since it is smaller than the sum of its proper divisors (164274309534696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140806551029706 is a wasteful number, since it uses less digits than its factorization.

140806551029706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822586168325 (or 7822586168322 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 140806551029706 in words is "one hundred forty trillion, eight hundred six billion, five hundred fifty-one million, twenty-nine thousand, seven hundred six".