1540134100 has 36 divisors (see below), whose sum is σ = 3396892828. Its totient is φ = 605952000.

The previous prime is 1540134067. The next prime is 1540134103. The reversal of 1540134100 is 14310451.

It can be written as a sum of positive squares in 6 ways, for example, as 155401156 + 1384732944 = 12466^2 + 37212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540134103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120141 + ... + 132340.

Almost surely, 2^1540134100 is an apocalyptic number.

1540134100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540134100 is an abundant number, since it is smaller than the sum of its proper divisors (1856758728).

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

1540134100 is a wasteful number, since it uses less digits than its factorization.

1540134100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252556 (or 252549 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1540134100 is about 39244.5422957129. The cubic root of 1540134100 is about 1154.8338685236.

Adding to 1540134100 its reverse (14310451), we get a palindrome (1554444551).

The spelling of 1540134100 in words is "one billion, five hundred forty million, one hundred thirty-four thousand, one hundred".