138766250145 has 8 divisors (see below), whose sum is σ = 222026000256. Its totient is φ = 74008666736.

The previous prime is 138766250113. The next prime is 138766250191. The reversal of 138766250145 is 541052667831.

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

It is a cyclic number.

It is not a de Polignac number, because 138766250145 - 2⁵ = 138766250113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138766250094 and 138766250103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4625541657 + ... + 4625541686.

It is an arithmetic number, because the mean of its divisors is an integer number (27753250032).

Almost surely, 2^138766250145 is an apocalyptic number.

138766250145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138766250145 is a deficient number, since it is larger than the sum of its proper divisors (83259750111).

138766250145 is an equidigital number, since it uses as much as digits as its factorization.

138766250145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251083351.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 138766250145 in words is "one hundred thirty-eight billion, seven hundred sixty-six million, two hundred fifty thousand, one hundred forty-five".