137254188243 has 12 divisors (see below), whose sum is σ = 194403857240. Its totient is φ = 86120274432.

The previous prime is 137254188241. The next prime is 137254188287. The reversal of 137254188243 is 342881452731.

It is a happy number.

It is not a de Polignac number, because 137254188243 - 2¹ = 137254188241 is a prime.

It is a super-5 number, since 5×137254188243⁵ (a number of 57 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137254188192 and 137254188201.

It is not an unprimeable number, because it can be changed into a prime (137254188241) 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, 79153798 + ... + 79155531.

Almost surely, 2^137254188243 is an apocalyptic number.

137254188243 is a deficient number, since it is larger than the sum of its proper divisors (57149668997).

137254188243 is a wasteful number, since it uses less digits than its factorization.

137254188243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158309366 (or 158309349 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 137254188243 in words is "one hundred thirty-seven billion, two hundred fifty-four million, one hundred eighty-eight thousand, two hundred forty-three".