132542138 has 16 divisors (see below), whose sum is σ = 209956320. Its totient is φ = 62579376.

The previous prime is 132542101. The next prime is 132542141. The reversal of 132542138 is 831245231.

It is a happy number.

It is a super-2 number, since 2×132542138² = 35134836691222088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132542138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545 + ... + 17547.

It is an arithmetic number, because the mean of its divisors is an integer number (13122270).

Almost surely, 2^132542138 is an apocalyptic number.

132542138 is a deficient number, since it is larger than the sum of its proper divisors (77414182).

132542138 is a wasteful number, since it uses less digits than its factorization.

132542138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341.

The product of its digits is 5760, while the sum is 29.

The square root of 132542138 is about 11512.6946454772. The cubic root of 132542138 is about 509.8604488103.

Adding to 132542138 its reverse (831245231), we get a palindrome (963787369).

The spelling of 132542138 in words is "one hundred thirty-two million, five hundred forty-two thousand, one hundred thirty-eight".