235381138 has 4 divisors (see below), whose sum is σ = 353071710. Its totient is φ = 117690568.

The previous prime is 235381129. The next prime is 235381169. The reversal of 235381138 is 831183532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 128527569 + 106853569 = 11337^2 + 10337^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58845283 + ... + 58845286.

Almost surely, 2^235381138 is an apocalyptic number.

235381138 is a deficient number, since it is larger than the sum of its proper divisors (117690572).

235381138 is a wasteful number, since it uses less digits than its factorization.

235381138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117690571.

The product of its digits is 17280, while the sum is 34.

The square root of 235381138 is about 15342.1360312050. The cubic root of 235381138 is about 617.4340167821.

The spelling of 235381138 in words is "two hundred thirty-five million, three hundred eighty-one thousand, one hundred thirty-eight".