140605536021 has 16 divisors (see below), whose sum is σ = 188231796864. Its totient is φ = 93358260224.

The previous prime is 140605535929. The next prime is 140605536023. The reversal of 140605536021 is 120635506041.

It is a cyclic number.

It is not a de Polignac number, because 140605536021 - 2¹⁵ = 140605503253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140605536023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8776000 + ... + 8792006.

It is an arithmetic number, because the mean of its divisors is an integer number (11764487304).

Almost surely, 2^140605536021 is an apocalyptic number.

It is an amenable number.

140605536021 is a deficient number, since it is larger than the sum of its proper divisors (47626260843).

140605536021 is a wasteful number, since it uses less digits than its factorization.

140605536021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27660.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 140605536021 in words is "one hundred forty billion, six hundred five million, five hundred thirty-six thousand, twenty-one".