137252235 has 8 divisors (see below), whose sum is σ = 219603600. Its totient is φ = 73201184.

The previous prime is 137252207. The next prime is 137252239. The reversal of 137252235 is 532252731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 137252235 - 2⁷ = 137252107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137252239) by changing a digit.

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, 4575060 + ... + 4575089.

It is an arithmetic number, because the mean of its divisors is an integer number (27450450).

Almost surely, 2^137252235 is an apocalyptic number.

137252235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137252235 is a deficient number, since it is larger than the sum of its proper divisors (82351365).

137252235 is an equidigital number, since it uses as much as digits as its factorization.

137252235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150157.

The product of its digits is 12600, while the sum is 30.

The square root of 137252235 is about 11715.4699009472. The cubic root of 137252235 is about 515.8298557175.

The spelling of 137252235 in words is "one hundred thirty-seven million, two hundred fifty-two thousand, two hundred thirty-five".