138526495 has 8 divisors (see below), whose sum is σ = 170286480. Its totient is φ = 108118080.

The previous prime is 138526481. The next prime is 138526499. The reversal of 138526495 is 594625831.

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

It is not a de Polignac number, because 138526495 - 2⁹ = 138525983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138526499) 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, 337665 + ... + 338074.

It is an arithmetic number, because the mean of its divisors is an integer number (21285810).

Almost surely, 2^138526495 is an apocalyptic number.

138526495 is a deficient number, since it is larger than the sum of its proper divisors (31759985).

138526495 is an equidigital number, since it uses as much as digits as its factorization.

138526495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675785.

The product of its digits is 259200, while the sum is 43.

The square root of 138526495 is about 11769.7279067955. The cubic root of 138526495 is about 517.4212751802.

The spelling of 138526495 in words is "one hundred thirty-eight million, five hundred twenty-six thousand, four hundred ninety-five".