138310552625 has 16 divisors (see below), whose sum is σ = 197270366592. Its totient is φ = 94841521200.

The previous prime is 138310552577. The next prime is 138310552673. The reversal of 138310552625 is 526255013831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (138310552577) and next prime (138310552673).

It is not a de Polignac number, because 138310552625 - 2⁶ = 138310552561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79033727 + ... + 79035476.

It is an arithmetic number, because the mean of its divisors is an integer number (12329397912).

Almost surely, 2^138310552625 is an apocalyptic number.

It is an amenable number.

138310552625 is a deficient number, since it is larger than the sum of its proper divisors (58959813967).

138310552625 is an equidigital number, since it uses as much as digits as its factorization.

138310552625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158069225 (or 158069215 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 138310552625 in words is "one hundred thirty-eight billion, three hundred ten million, five hundred fifty-two thousand, six hundred twenty-five".