139763533 has 12 divisors (see below), whose sum is σ = 175089180. Its totient is φ = 110581632.

The previous prime is 139763521. The next prime is 139763567. The reversal of 139763533 is 335367931.

139763533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55160329 + 84603204 = 7427^2 + 9198^2 .

It is not a de Polignac number, because 139763533 - 2¹⁷ = 139632461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139763513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109068 + ... + 110341.

It is an arithmetic number, because the mean of its divisors is an integer number (14590765).

Almost surely, 2^139763533 is an apocalyptic number.

139763533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

139763533 is a deficient number, since it is larger than the sum of its proper divisors (35325647).

139763533 is a wasteful number, since it uses less digits than its factorization.

139763533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219436 (or 219429 counting only the distinct ones).

The product of its digits is 153090, while the sum is 40.

The square root of 139763533 is about 11822.1627885933. The cubic root of 139763533 is about 518.9568993627.

The spelling of 139763533 in words is "one hundred thirty-nine million, seven hundred sixty-three thousand, five hundred thirty-three".