106138355 has 4 divisors (see below), whose sum is σ = 127366032. Its totient is φ = 84910680.

The previous prime is 106138343. The next prime is 106138369. The reversal of 106138355 is 553831601.

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

It is not a de Polignac number, because 106138355 - 2⁴ = 106138339 is a prime.

It is a super-2 number, since 2×106138355² = 22530700804212050, which contains 22 as substring.

It is a Duffinian number.

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, 10613831 + ... + 10613840.

It is an arithmetic number, because the mean of its divisors is an integer number (31841508).

Almost surely, 2^106138355 is an apocalyptic number.

106138355 is a deficient number, since it is larger than the sum of its proper divisors (21227677).

106138355 is an equidigital number, since it uses as much as digits as its factorization.

106138355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227676.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 106138355 is about 10302.3470626843. The cubic root of 106138355 is about 473.4681659238.

Adding to 106138355 its reverse (553831601), we get a palindrome (659969956).

The spelling of 106138355 in words is "one hundred six million, one hundred thirty-eight thousand, three hundred fifty-five".