135570400 has 144 divisors (see below), whose sum is σ = 387725184. Its totient is φ = 45319680.

The previous prime is 135570353. The next prime is 135570431. The reversal of 135570400 is 4075531.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 240519 + ... + 241081.

It is an arithmetic number, because the mean of its divisors is an integer number (2692536).

Almost surely, 2^135570400 is an apocalyptic number.

135570400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135570400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193862592).

135570400 is an abundant number, since it is smaller than the sum of its proper divisors (252154784).

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

135570400 is a wasteful number, since it uses less digits than its factorization.

135570400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 135570400 is about 11643.4702730758. The cubic root of 135570400 is about 513.7142653280.

The spelling of 135570400 in words is "one hundred thirty-five million, five hundred seventy thousand, four hundred".