138001707 has 12 divisors (see below), whose sum is σ = 200172960. Its totient is φ = 91614768.

The previous prime is 138001697. The next prime is 138001723. The reversal of 138001707 is 707100831.

It is not a de Polignac number, because 138001707 - 2¹⁰ = 138000683 is a prime.

It is a super-2 number, since 2×138001707² = 38088942269827698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138001727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29928 + ... + 34229.

It is an arithmetic number, because the mean of its divisors is an integer number (16681080).

Almost surely, 2^138001707 is an apocalyptic number.

138001707 is a deficient number, since it is larger than the sum of its proper divisors (62171253).

138001707 is a wasteful number, since it uses less digits than its factorization.

138001707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64402 (or 64399 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 138001707 is about 11747.4127789910. The cubic root of 138001707 is about 516.7670559467.

The spelling of 138001707 in words is "one hundred thirty-eight million, one thousand, seven hundred seven".