140520381036 has 48 divisors (see below), whose sum is σ = 374978177280. Its totient is φ = 40121127360.

The previous prime is 140520381031. The next prime is 140520381059. The reversal of 140520381036 is 630183025041.

It is a junction number, because it is equal to n+sod(n) for n = 140520380988 and 140520381006.

It is not an unprimeable number, because it can be changed into a prime (140520381031) 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, 450735 + ... + 695846.

It is an arithmetic number, because the mean of its divisors is an integer number (7812045360).

Almost surely, 2^140520381036 is an apocalyptic number.

It is an amenable number.

140520381036 is an abundant number, since it is smaller than the sum of its proper divisors (234457796244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140520381036 is a wasteful number, since it uses less digits than its factorization.

140520381036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148054 (or 1148052 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 140520381036 in words is "one hundred forty billion, five hundred twenty million, three hundred eighty-one thousand, thirty-six".