1103434138 has 8 divisors (see below), whose sum is σ = 1658696832. Its totient is φ = 550535196.

The previous prime is 1103434133. The next prime is 1103434153. The reversal of 1103434138 is 8314343011.

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

It is a super-3 number, since 3×1103434138³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1103434133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589770 + ... + 591637.

It is an arithmetic number, because the mean of its divisors is an integer number (207337104).

Almost surely, 2^1103434138 is an apocalyptic number.

1103434138 is a deficient number, since it is larger than the sum of its proper divisors (555262694).

1103434138 is a wasteful number, since it uses less digits than its factorization.

1103434138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181876.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1103434138 is about 33217.9791378103. The cubic root of 1103434138 is about 1033.3532395980.

Adding to 1103434138 its reverse (8314343011), we get a palindrome (9417777149).

It can be divided in two parts, 110343 and 4138, that added together give a triangular number (114481 = T₄₇₈).

The spelling of 1103434138 in words is "one billion, one hundred three million, four hundred thirty-four thousand, one hundred thirty-eight".