140626709768 has 16 divisors (see below), whose sum is σ = 263681320380. Its totient is φ = 70311691008.

The previous prime is 140626709767. The next prime is 140626709789. The reversal of 140626709768 is 867907626041.

It can be written as a sum of positive squares in 2 ways, for example, as 140626500004 + 209764 = 375002^2 + 458^2 .

It is a super-2 number, since 2×140626709768² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140626709767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197780 + ... + 566012.

Almost surely, 2^140626709768 is an apocalyptic number.

It is an amenable number.

140626709768 is a deficient number, since it is larger than the sum of its proper divisors (123054610612).

140626709768 is a wasteful number, since it uses less digits than its factorization.

140626709768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415976 (or 415972 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 140626709768 in words is "one hundred forty billion, six hundred twenty-six million, seven hundred nine thousand, seven hundred sixty-eight".