138262625000 has 56 divisors (see below), whose sum is σ = 324049172430. Its totient is φ = 55305000000.

The previous prime is 138262624991. The next prime is 138262625021. The reversal of 138262625000 is 526262831.

It can be written as a sum of positive squares in 7 ways, for example, as 99839568676 + 38423056324 = 315974^2 + 196018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 428051 + ... + 678050.

Almost surely, 2^138262625000 is an apocalyptic number.

138262625000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138262625000 is an abundant number, since it is smaller than the sum of its proper divisors (185786547430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138262625000 is an frugal number, since it uses more digits than its factorization.

138262625000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106137 (or 1106108 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 138262625000 its reverse (526262831), we get a palindrome (138788887831).

The spelling of 138262625000 in words is "one hundred thirty-eight billion, two hundred sixty-two million, six hundred twenty-five thousand".