138614248787 has 16 divisors (see below), whose sum is σ = 166013452800. Its totient is φ = 113158681152.

The previous prime is 138614248769. The next prime is 138614248793. The reversal of 138614248787 is 787842416831.

It is a cyclic number.

It is not a de Polignac number, because 138614248787 - 2¹⁴ = 138614232403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138614248727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810037 + ... + 1885062.

It is an arithmetic number, because the mean of its divisors is an integer number (10375840800).

Almost surely, 2^138614248787 is an apocalyptic number.

138614248787 is a deficient number, since it is larger than the sum of its proper divisors (27399204013).

138614248787 is a wasteful number, since it uses less digits than its factorization.

138614248787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695362.

The product of its digits is 14450688, while the sum is 59.

The spelling of 138614248787 in words is "one hundred thirty-eight billion, six hundred fourteen million, two hundred forty-eight thousand, seven hundred eighty-seven".