137805055725 has 12 divisors (see below), whose sum is σ = 227837692256. Its totient is φ = 73496029680.

The previous prime is 137805055651. The next prime is 137805055727. The reversal of 137805055725 is 527550508731.

It is not a de Polignac number, because 137805055725 - 2⁸ = 137805055469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137805055727) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 918700297 + ... + 918700446.

Almost surely, 2^137805055725 is an apocalyptic number.

137805055725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137805055725 is a deficient number, since it is larger than the sum of its proper divisors (90032636531).

137805055725 is a wasteful number, since it uses less digits than its factorization.

137805055725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837400756 (or 1837400751 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 48.

The spelling of 137805055725 in words is "one hundred thirty-seven billion, eight hundred five million, fifty-five thousand, seven hundred twenty-five".