135357250 has 32 divisors (see below), whose sum is σ = 289590912. Its totient is φ = 46407600.

The previous prime is 135357217. The next prime is 135357259. The reversal of 135357250 is 52753531.

It is not an unprimeable number, because it can be changed into a prime (135357259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36924 + ... + 40423.

It is an arithmetic number, because the mean of its divisors is an integer number (9049716).

Almost surely, 2^135357250 is an apocalyptic number.

135357250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135357250 is an abundant number, since it is smaller than the sum of its proper divisors (154233662).

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

135357250 is an equidigital number, since it uses as much as digits as its factorization.

135357250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77371 (or 77361 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 135357250 is about 11634.3134735145. The cubic root of 135357250 is about 513.4448957315. Note that the first 3 decimals are identical.

The spelling of 135357250 in words is "one hundred thirty-five million, three hundred fifty-seven thousand, two hundred fifty".