140606402536 has 8 divisors (see below), whose sum is σ = 263637004770. Its totient is φ = 70303201264.

The previous prime is 140606402533. The next prime is 140606402539. The reversal of 140606402536 is 635204606041.

It is an interprime number because it is at equal distance from previous prime (140606402533) and next prime (140606402539).

It can be written as a sum of positive squares in only one way, i.e., 132637269636 + 7969132900 = 364194^2 + 89270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 140606402495 and 140606402504.

It is not an unprimeable number, because it can be changed into a prime (140606402533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8787900151 + ... + 8787900166.

Almost surely, 2^140606402536 is an apocalyptic number.

It is an amenable number.

140606402536 is a deficient number, since it is larger than the sum of its proper divisors (123030602234).

140606402536 is a wasteful number, since it uses less digits than its factorization.

140606402536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17575800323 (or 17575800319 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 140606402536 in words is "one hundred forty billion, six hundred six million, four hundred two thousand, five hundred thirty-six".