137555745 has 8 divisors (see below), whose sum is σ = 220089216. Its totient is φ = 73363056.

The previous prime is 137555681. The next prime is 137555767. The reversal of 137555745 is 547555731.

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

It is not a de Polignac number, because 137555745 - 2⁶ = 137555681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137555697 and 137555706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585177 + ... + 4585206.

It is an arithmetic number, because the mean of its divisors is an integer number (27511152).

Almost surely, 2^137555745 is an apocalyptic number.

137555745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137555745 is a deficient number, since it is larger than the sum of its proper divisors (82533471).

137555745 is an equidigital number, since it uses as much as digits as its factorization.

137555745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170391.

The product of its digits is 367500, while the sum is 42.

The square root of 137555745 is about 11728.4161334768. The cubic root of 137555745 is about 516.2097991588.

The spelling of 137555745 in words is "one hundred thirty-seven million, five hundred fifty-five thousand, seven hundred forty-five".