106135489 has 2 divisors, whose sum is σ = 106135490. Its totient is φ = 106135488.

The previous prime is 106135487. The next prime is 106135507. The reversal of 106135489 is 984531601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 16265089 = 9480^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 106135489 - 2¹ = 106135487 is a prime.

It is a super-2 number, since 2×106135489² = 22529484050538242, which contains 22 as substring.

Together with 106135487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106135487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53067744 + 53067745.

It is an arithmetic number, because the mean of its divisors is an integer number (53067745).

Almost surely, 2^106135489 is an apocalyptic number.

It is an amenable number.

106135489 is a deficient number, since it is larger than the sum of its proper divisors (1).

106135489 is an equidigital number, since it uses as much as digits as its factorization.

106135489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 106135489 is about 10302.2079672272. The cubic root of 106135489 is about 473.4639042788.

The spelling of 106135489 in words is "one hundred six million, one hundred thirty-five thousand, four hundred eighty-nine".