139036763 has 8 divisors (see below), whose sum is σ = 143327232. Its totient is φ = 134801896.

The previous prime is 139036757. The next prime is 139036783. The reversal of 139036763 is 367630931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139036763 - 2¹² = 139032667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139036753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8795 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (17915904).

Almost surely, 2^139036763 is an apocalyptic number.

139036763 is a deficient number, since it is larger than the sum of its proper divisors (4290469).

139036763 is a wasteful number, since it uses less digits than its factorization.

139036763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27801.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 139036763 is about 11791.3851179579. The cubic root of 139036763 is about 518.0558108348.

The spelling of 139036763 in words is "one hundred thirty-nine million, thirty-six thousand, seven hundred sixty-three".