134015400 has 72 divisors (see below), whose sum is σ = 450074430. Its totient is φ = 35736960.

The previous prime is 134015393. The next prime is 134015407. The reversal of 134015400 is 4510431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134015393) and next prime (134015407).

It can be written as a sum of positive squares in 3 ways, for example, as 79816356 + 54199044 = 8934^2 + 7362^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (134015407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35427 + ... + 39026.

Almost surely, 2^134015400 is an apocalyptic number.

134015400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134015400 is an abundant number, since it is smaller than the sum of its proper divisors (316059030).

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

134015400 is a wasteful number, since it uses less digits than its factorization.

134015400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74475 (or 74463 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 134015400 is about 11576.5020623675. The cubic root of 134015400 is about 511.7425972590.

Adding to 134015400 its reverse (4510431), we get a palindrome (138525831).

The spelling of 134015400 in words is "one hundred thirty-four million, fifteen thousand, four hundred".