2355138 has 12 divisors (see below), whose sum is σ = 5102838. Its totient is φ = 785040.

The previous prime is 2355137. The next prime is 2355139. The reversal of 2355138 is 8315532.

It is an interprime number because it is at equal distance from previous prime (2355137) and next prime (2355139).

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 23409 = 1527^2 + 153^2 .

It is not an unprimeable number, because it can be changed into a prime (2355137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65403 + ... + 65438.

2^2355138 is an apocalyptic number.

2355138 is an abundant number, since it is smaller than the sum of its proper divisors (2747700).

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

2355138 is a wasteful number, since it uses less digits than its factorization.

2355138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130849 (or 130846 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2355138 is about 1534.6458874933. The cubic root of 2355138 is about 133.0471124104.

The spelling of 2355138 in words is "two million, three hundred fifty-five thousand, one hundred thirty-eight".