106906421138 has 8 divisors (see below), whose sum is σ = 174937780080. Its totient is φ = 48593827780.

The previous prime is 106906421137. The next prime is 106906421159. The reversal of 106906421138 is 831124609601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106906421138² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106906421095 and 106906421104.

It is not an unprimeable number, because it can be changed into a prime (106906421131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2429691368 + ... + 2429691411.

It is an arithmetic number, because the mean of its divisors is an integer number (21867222510).

Almost surely, 2^106906421138 is an apocalyptic number.

106906421138 is a deficient number, since it is larger than the sum of its proper divisors (68031358942).

106906421138 is a wasteful number, since it uses less digits than its factorization.

106906421138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859382792.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 106906421138 in words is "one hundred six billion, nine hundred six million, four hundred twenty-one thousand, one hundred thirty-eight".