137742684269 has 4 divisors (see below), whose sum is σ = 137745517500. Its totient is φ = 137739851040.

The previous prime is 137742684239. The next prime is 137742684301. The reversal of 137742684269 is 962486247731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15218183044 + 122524501225 = 123362^2 + 350035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137742684269 is a prime.

It is a super-2 number, since 2×137742684269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137742684239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342394 + ... + 1441355.

It is an arithmetic number, because the mean of its divisors is an integer number (34436379375).

Almost surely, 2^137742684269 is an apocalyptic number.

It is an amenable number.

137742684269 is a deficient number, since it is larger than the sum of its proper divisors (2833231).

137742684269 is an equidigital number, since it uses as much as digits as its factorization.

137742684269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833230.

The product of its digits is 24385536, while the sum is 59.

The spelling of 137742684269 in words is "one hundred thirty-seven billion, seven hundred forty-two million, six hundred eighty-four thousand, two hundred sixty-nine".