1540134101 has 6 divisors (see below), whose sum is σ = 1692874806. Its totient is φ = 1400121800.

The previous prime is 1540134067. The next prime is 1540134103. The reversal of 1540134101 is 1014310451.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1169571601 + 370562500 = 34199^2 + 19250^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1540134101 is a prime.

It is a Duffinian number.

It is a Curzon number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6364070 + ... + 6364311.

It is an arithmetic number, because the mean of its divisors is an integer number (282145801).

Almost surely, 2^1540134101 is an apocalyptic number.

1540134101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1540134101 is a deficient number, since it is larger than the sum of its proper divisors (152740705).

1540134101 is a wasteful number, since it uses less digits than its factorization.

1540134101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728403 (or 12728392 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1540134101 is about 39244.5423084535. The cubic root of 1540134101 is about 1154.8338687736.

Adding to 1540134101 its reverse (1014310451), we get a palindrome (2554444552).

The spelling of 1540134101 in words is "one billion, five hundred forty million, one hundred thirty-four thousand, one hundred one".