133739187738 has 16 divisors (see below), whose sum is σ = 288053635296. Its totient is φ = 41150519280.

The previous prime is 133739187737. The next prime is 133739187763. The reversal of 133739187738 is 837781937331.

It is not an unprimeable number, because it can be changed into a prime (133739187737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857302408 + ... + 857302563.

It is an arithmetic number, because the mean of its divisors is an integer number (18003352206).

Almost surely, 2^133739187738 is an apocalyptic number.

133739187738 is an abundant number, since it is smaller than the sum of its proper divisors (154314447558).

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

133739187738 is a wasteful number, since it uses less digits than its factorization.

133739187738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714604989.

The product of its digits is 16003008, while the sum is 60.

The spelling of 133739187738 in words is "one hundred thirty-three billion, seven hundred thirty-nine million, one hundred eighty-seven thousand, seven hundred thirty-eight".