137505955 has 4 divisors (see below), whose sum is σ = 165007152. Its totient is φ = 110004760.

The previous prime is 137505947. The next prime is 137505961. The reversal of 137505955 is 559505731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559505731 = 853 ⋅655927.

It is not a de Polignac number, because 137505955 - 2³ = 137505947 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13750591 + ... + 13750600.

It is an arithmetic number, because the mean of its divisors is an integer number (41251788).

Almost surely, 2^137505955 is an apocalyptic number.

137505955 is a deficient number, since it is larger than the sum of its proper divisors (27501197).

137505955 is an equidigital number, since it uses as much as digits as its factorization.

137505955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501196.

The product of its (nonzero) digits is 118125, while the sum is 40.

The square root of 137505955 is about 11726.2933188625. The cubic root of 137505955 is about 516.1475088062.

The spelling of 137505955 in words is "one hundred thirty-seven million, five hundred five thousand, nine hundred fifty-five".