138007035 has 12 divisors (see below), whose sum is σ = 239212272. Its totient is φ = 73603728.

The previous prime is 138007019. The next prime is 138007043. The reversal of 138007035 is 530700831.

It is not a de Polignac number, because 138007035 - 2⁴ = 138007019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533367 + ... + 1533456.

It is an arithmetic number, because the mean of its divisors is an integer number (19934356).

Almost surely, 2^138007035 is an apocalyptic number.

138007035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138007035 is a deficient number, since it is larger than the sum of its proper divisors (101205237).

138007035 is a wasteful number, since it uses less digits than its factorization.

138007035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066834 (or 3066831 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 138007035 is about 11747.6395501394. The cubic root of 138007035 is about 516.7737063462.

Adding to 138007035 its reverse (530700831), we get a palindrome (668707866).

The spelling of 138007035 in words is "one hundred thirty-eight million, seven thousand, thirty-five".