140700261641 has 4 divisors (see below), whose sum is σ = 140701654800. Its totient is φ = 140698868484.

The previous prime is 140700261631. The next prime is 140700261671. The reversal of 140700261641 is 146162007041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140700261641 - 2¹⁸ = 140699999497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140700261598 and 140700261607.

It is not an unprimeable number, because it can be changed into a prime (140700261631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532151 + ... + 751388.

It is an arithmetic number, because the mean of its divisors is an integer number (35175413700).

Almost surely, 2^140700261641 is an apocalyptic number.

It is an amenable number.

140700261641 is a deficient number, since it is larger than the sum of its proper divisors (1393159).

140700261641 is a wasteful number, since it uses less digits than its factorization.

140700261641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393158.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 140700261641 its reverse (146162007041), we get a palindrome (286862268682).

The spelling of 140700261641 in words is "one hundred forty billion, seven hundred million, two hundred sixty-one thousand, six hundred forty-one".