10542138 has 32 divisors (see below), whose sum is σ = 22334400. Its totient is φ = 3311616.

The previous prime is 10542113. The next prime is 10542157. The reversal of 10542138 is 83124501.

It is a super-2 number, since 2×10542138² = 222273347222088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6778 + ... + 8186.

It is an arithmetic number, because the mean of its divisors is an integer number (697950).

Almost surely, 2^10542138 is an apocalyptic number.

10542138 is an abundant number, since it is smaller than the sum of its proper divisors (11792262).

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

10542138 is a wasteful number, since it uses less digits than its factorization.

10542138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 10542138 is about 3246.8658734232. The cubic root of 10542138 is about 219.2684932786.

Adding to 10542138 its reverse (83124501), we get a palindrome (93666639).

The spelling of 10542138 in words is "ten million, five hundred forty-two thousand, one hundred thirty-eight".