134022420 has 72 divisors (see below), whose sum is σ = 464615424. Its totient is φ = 30633408.

The previous prime is 134022397. The next prime is 134022431. The reversal of 134022420 is 24220431.

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 134022393 and 134022402.

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, 51924 + ... + 54443.

It is an arithmetic number, because the mean of its divisors is an integer number (6452992).

Almost surely, 2^134022420 is an apocalyptic number.

134022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134022420 is an abundant number, since it is smaller than the sum of its proper divisors (330593004).

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

134022420 is a wasteful number, since it uses less digits than its factorization.

134022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106389 (or 106384 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 134022420 is about 11576.8052587923. The cubic root of 134022420 is about 511.7515324766.

Adding to 134022420 its reverse (24220431), we get a palindrome (158242851).

The spelling of 134022420 in words is "one hundred thirty-four million, twenty-two thousand, four hundred twenty".