1355110138 has 4 divisors (see below), whose sum is σ = 2032665210. Its totient is φ = 677555068.

The previous prime is 1355110123. The next prime is 1355110177. The reversal of 1355110138 is 8310115531.

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., 736742449 + 618367689 = 27143^2 + 24867^2 .

It is a super-2 number, since 2×1355110138² = 3672646972220758088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338777533 + ... + 338777536.

Almost surely, 2^1355110138 is an apocalyptic number.

1355110138 is a deficient number, since it is larger than the sum of its proper divisors (677555072).

1355110138 is an equidigital number, since it uses as much as digits as its factorization.

1355110138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677555071.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1355110138 is about 36811.8206287057. The cubic root of 1355110138 is about 1106.6022055444.

Adding to 1355110138 its reverse (8310115531), we get a palindrome (9665225669).

The spelling of 1355110138 in words is "one billion, three hundred fifty-five million, one hundred ten thousand, one hundred thirty-eight".