103440134 has 32 divisors (see below), whose sum is σ = 180182016. Its totient is φ = 43624800.

The previous prime is 103440101. The next prime is 103440137. The reversal of 103440134 is 431044301.

It is a happy number.

It is a super-2 number, since 2×103440134² = 21399722643875912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440137) 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 15 ways as a sum of consecutive naturals, for example, 352892 + ... + 353184.

It is an arithmetic number, because the mean of its divisors is an integer number (5630688).

Almost surely, 2^103440134 is an apocalyptic number.

103440134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103440134 is a deficient number, since it is larger than the sum of its proper divisors (76741882).

103440134 is a wasteful number, since it uses less digits than its factorization.

103440134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103440134 is about 10170.5522957212. The cubic root of 103440134 is about 469.4215518400.

Adding to 103440134 its reverse (431044301), we get a palindrome (534484435).

The spelling of 103440134 in words is "one hundred three million, four hundred forty thousand, one hundred thirty-four".