134021430 has 48 divisors (see below), whose sum is σ = 353246400. Its totient is φ = 35247744.

The previous prime is 134021429. The next prime is 134021467. The reversal of 134021430 is 34120431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3630 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (7359300).

Almost surely, 2^134021430 is an apocalyptic number.

134021430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134021430 is an abundant number, since it is smaller than the sum of its proper divisors (219224970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134021430 is a wasteful number, since it uses less digits than its factorization.

134021430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20485 (or 20482 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134021430 is about 11576.7625008031. The cubic root of 134021430 is about 511.7502724007.

Adding to 134021430 its reverse (34120431), we get a palindrome (168141861).

Subtracting from 134021430 its reverse (34120431), we obtain a palindrome (99900999).

The spelling of 134021430 in words is "one hundred thirty-four million, twenty-one thousand, four hundred thirty".