134142450 has 48 divisors (see below), whose sum is σ = 358268736. Its totient is φ = 33019200.

The previous prime is 134142439. The next prime is 134142457. The reversal of 134142450 is 54241431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134142450.

It is not an unprimeable number, because it can be changed into a prime (134142457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32446 + ... + 36345.

It is an arithmetic number, because the mean of its divisors is an integer number (7463932).

Almost surely, 2^134142450 is an apocalyptic number.

134142450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134142450 is an abundant number, since it is smaller than the sum of its proper divisors (224126286).

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

134142450 is a wasteful number, since it uses less digits than its factorization.

134142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68819 (or 68814 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 134142450 is about 11581.9881712943. The cubic root of 134142450 is about 511.9042611720.

Adding to 134142450 its reverse (54241431), we get a palindrome (188383881).

The spelling of 134142450 in words is "one hundred thirty-four million, one hundred forty-two thousand, four hundred fifty".