1540134 has 24 divisors (see below), whose sum is σ = 3461640. Its totient is φ = 513216.

The previous prime is 1540109. The next prime is 1540141. The reversal of 1540134 is 4310451.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (144235).

2^1540134 is an apocalyptic number.

1540134 is an abundant number, since it is smaller than the sum of its proper divisors (1921506).

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

1540134 is an equidigital number, since it uses as much as digits as its factorization.

1540134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186 (or 3174 counting only the distinct ones).

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

The square root of 1540134 is about 1241.0213535633. The cubic root of 1540134 is about 115.4833843529.

Adding to 1540134 its reverse (4310451), we get a palindrome (5850585).

The spelling of 1540134 in words is "one million, five hundred forty thousand, one hundred thirty-four".