138519437628001 has 4 divisors (see below), whose sum is σ = 138524812665904. Its totient is φ = 138514062590100.

The previous prime is 138519437627947. The next prime is 138519437628041. The reversal of 138519437628001 is 100826734915831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138519437628001 - 2⁷ = 138519437627873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138519437628041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687480295 + ... + 2687531836.

It is an arithmetic number, because the mean of its divisors is an integer number (34631203166476).

It is a 1-persistent number, because it is pandigital, but 2⋅138519437628001 = 277038875256002 is not.

Almost surely, 2^{138519437628001} is an apocalyptic number.

It is an amenable number.

138519437628001 is a deficient number, since it is larger than the sum of its proper divisors (5375037903).

138519437628001 is an equidigital number, since it uses as much as digits as its factorization.

138519437628001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375037902.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 138519437628001 in words is "one hundred thirty-eight trillion, five hundred nineteen billion, four hundred thirty-seven million, six hundred twenty-eight thousand, one".