134429890 has 16 divisors (see below), whose sum is σ = 276541632. Its totient is φ = 46090224.

The previous prime is 134429887. The next prime is 134429891. The reversal of 134429890 is 98924431.

It is not an unprimeable number, because it can be changed into a prime (134429891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960144 + ... + 960283.

It is an arithmetic number, because the mean of its divisors is an integer number (17283852).

Almost surely, 2^134429890 is an apocalyptic number.

134429890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134429890 is an abundant number, since it is smaller than the sum of its proper divisors (142111742).

134429890 is a wasteful number, since it uses less digits than its factorization.

134429890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920441.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 134429890 is about 11594.3904540084. The cubic root of 134429890 is about 512.2696359098.

It can be divided in two parts, 13442 and 9890, that added together give a palindrome (23332).

The spelling of 134429890 in words is "one hundred thirty-four million, four hundred twenty-nine thousand, eight hundred ninety".