138412449901 has 8 divisors (see below), whose sum is σ = 151002494208. Its totient is φ = 125823588000.

The previous prime is 138412449883. The next prime is 138412449941. The reversal of 138412449901 is 109944214831.

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

It is not a de Polignac number, because 138412449901 - 2¹³ = 138412441709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138412449941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41320 + ... + 527761.

It is an arithmetic number, because the mean of its divisors is an integer number (18875311776).

Almost surely, 2^138412449901 is an apocalyptic number.

138412449901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

138412449901 is a deficient number, since it is larger than the sum of its proper divisors (12590044307).

138412449901 is a wasteful number, since it uses less digits than its factorization.

138412449901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591203.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 138412449901 in words is "one hundred thirty-eight billion, four hundred twelve million, four hundred forty-nine thousand, nine hundred one".