101534138 has 12 divisors (see below), whose sum is σ = 160740090. Its totient is φ = 48094776.

The previous prime is 101534123. The next prime is 101534141. The reversal of 101534138 is 831435101.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 50225569 = 7163^2 + 7087^2 .

It is an unprimeable number.

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, 69593 + ... + 71036.

Almost surely, 2^101534138 is an apocalyptic number.

101534138 is a deficient number, since it is larger than the sum of its proper divisors (59205952).

101534138 is a wasteful number, since it uses less digits than its factorization.

101534138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140669 (or 140650 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 101534138 is about 10076.4149378636. The cubic root of 101534138 is about 466.5204602074.

Adding to 101534138 its reverse (831435101), we get a palindrome (932969239).

It can be divided in two parts, 1015 and 34138, that added together give a palindrome (35153).

The spelling of 101534138 in words is "one hundred one million, five hundred thirty-four thousand, one hundred thirty-eight".