138797542006 has 8 divisors (see below), whose sum is σ = 208448064360. Its totient is φ = 69314853888.

The previous prime is 138797541979. The next prime is 138797542021. The reversal of 138797542006 is 600245797831.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 41956491 + ... + 41959798.

It is an arithmetic number, because the mean of its divisors is an integer number (26056008045).

It is a 1-persistent number, because it is pandigital, but 2⋅138797542006 = 277595084012 is not.

Almost surely, 2^138797542006 is an apocalyptic number.

138797542006 is a deficient number, since it is larger than the sum of its proper divisors (69650522354).

138797542006 is an equidigital number, since it uses as much as digits as its factorization.

138797542006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83917118.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 138797542006 in words is "one hundred thirty-eight billion, seven hundred ninety-seven million, five hundred forty-two thousand, six".