346321732136 has 16 divisors (see below), whose sum is σ = 649960703700. Its totient is φ = 172998877824.

The previous prime is 346321732121. The next prime is 346321732147. The reversal of 346321732136 is 631237123643.

It can be written as a sum of positive squares in 2 ways, for example, as 340012607236 + 6309124900 = 583106^2 + 79430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 346321732093 and 346321732102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20239445 + ... + 20256548.

Almost surely, 2^346321732136 is an apocalyptic number.

It is an amenable number.

346321732136 is a deficient number, since it is larger than the sum of its proper divisors (303638971564).

346321732136 is a wasteful number, since it uses less digits than its factorization.

346321732136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40497068 (or 40497064 counting only the distinct ones).

The product of its digits is 326592, while the sum is 41.

Adding to 346321732136 its reverse (631237123643), we get a palindrome (977558855779).

The spelling of 346321732136 in words is "three hundred forty-six billion, three hundred twenty-one million, seven hundred thirty-two thousand, one hundred thirty-six".