13545090 has 128 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 3124224.

The previous prime is 13545089. The next prime is 13545113. The reversal of 13545090 is 9054531.

13545090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59557 + ... + 59783.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

Almost surely, 2^13545090 is an apocalyptic number.

13545090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13545090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20684160).

13545090 is an abundant number, since it is smaller than the sum of its proper divisors (27823230).

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

13545090 is a wasteful number, since it uses less digits than its factorization.

13545090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13545090 is about 3680.3654709825. The cubic root of 13545090 is about 238.3749591772.

The spelling of 13545090 in words is "thirteen million, five hundred forty-five thousand, ninety".