138412035 has 24 divisors (see below), whose sum is σ = 240561360. Its totient is φ = 73620672.

The previous prime is 138412033. The next prime is 138412049. The reversal of 138412035 is 530214831.

It is a happy number.

It is not a de Polignac number, because 138412035 - 2¹ = 138412033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138412031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13552 + ... + 21458.

It is an arithmetic number, because the mean of its divisors is an integer number (10023390).

Almost surely, 2^138412035 is an apocalyptic number.

138412035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138412035 is a deficient number, since it is larger than the sum of its proper divisors (102149325).

138412035 is a wasteful number, since it uses less digits than its factorization.

138412035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307 (or 8304 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 138412035 is about 11764.8644276082. The cubic root of 138412035 is about 517.2787263769.

Adding to 138412035 its reverse (530214831), we get a palindrome (668626866).

It can be divided in two parts, 13841 and 2035, that added together give a square (15876 = 126²).

The spelling of 138412035 in words is "one hundred thirty-eight million, four hundred twelve thousand, thirty-five".