343611537138 has 12 divisors (see below), whose sum is σ = 744491663838. Its totient is φ = 114537179040.

The previous prime is 343611537109. The next prime is 343611537233. The reversal of 343611537138 is 831735116343.

343611537138 is a `hidden beast` number, since 3 + 4 + 361 + 153 + 7 + 138 = 666.

It can be written as a sum of positive squares in only one way, i.e., 343204990569 + 406546569 = 585837^2 + 20163^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343611537093 and 343611537102.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9544764903 + ... + 9544764938.

Almost surely, 2^343611537138 is an apocalyptic number.

343611537138 is an abundant number, since it is smaller than the sum of its proper divisors (400880126700).

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

343611537138 is a wasteful number, since it uses less digits than its factorization.

343611537138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19089529849 (or 19089529846 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 343611537138 in words is "three hundred forty-three billion, six hundred eleven million, five hundred thirty-seven thousand, one hundred thirty-eight".