140056261606 has 4 divisors (see below), whose sum is σ = 210084392412. Its totient is φ = 70028130802.

The previous prime is 140056261603. The next prime is 140056261619. The reversal of 140056261606 is 606162650041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140056261601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35014065400 + ... + 35014065403.

It is an arithmetic number, because the mean of its divisors is an integer number (52521098103).

Almost surely, 2^140056261606 is an apocalyptic number.

140056261606 is a deficient number, since it is larger than the sum of its proper divisors (70028130806).

140056261606 is an equidigital number, since it uses as much as digits as its factorization.

140056261606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70028130805.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 140056261606 in words is "one hundred forty billion, fifty-six million, two hundred sixty-one thousand, six hundred six".