101138132 has 12 divisors (see below), whose sum is σ = 177440340. Its totient is φ = 50440896.

The previous prime is 101138123. The next prime is 101138143. The reversal of 101138132 is 231831101.

It can be written as a sum of positive squares in 2 ways, for example, as 61246276 + 39891856 = 7826^2 + 6316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30257 + ... + 33432.

It is an arithmetic number, because the mean of its divisors is an integer number (14786695).

Almost surely, 2^101138132 is an apocalyptic number.

It is an amenable number.

101138132 is a deficient number, since it is larger than the sum of its proper divisors (76302208).

101138132 is a wasteful number, since it uses less digits than its factorization.

101138132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64090 (or 64088 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 101138132 is about 10056.7455968618. The cubic root of 101138132 is about 465.9131583711.

Adding to 101138132 its reverse (231831101), we get a palindrome (332969233).

The spelling of 101138132 in words is "one hundred one million, one hundred thirty-eight thousand, one hundred thirty-two".