139763000387 has 4 divisors (see below), whose sum is σ = 139805113680. Its totient is φ = 139720887096.

The previous prime is 139763000357. The next prime is 139763000389. The reversal of 139763000387 is 783000367931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783000367931 = 5051 ⋅155018881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139763000387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139763000389) 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, 21051668 + ... + 21058305.

It is an arithmetic number, because the mean of its divisors is an integer number (34951278420).

Almost surely, 2^139763000387 is an apocalyptic number.

139763000387 is a deficient number, since it is larger than the sum of its proper divisors (42113293).

139763000387 is an equidigital number, since it uses as much as digits as its factorization.

139763000387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42113292.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 139763000387 in words is "one hundred thirty-nine billion, seven hundred sixty-three million, three hundred eighty-seven", and thus it is an aban number.