1540053405134 has 8 divisors (see below), whose sum is σ = 2366423525088. Its totient is φ = 751245563440.

The previous prime is 1540053405119. The next prime is 1540053405139. The reversal of 1540053405134 is 4315043500451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1540053405094 and 1540053405103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540053405139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9390569462 + ... + 9390569625.

It is an arithmetic number, because the mean of its divisors is an integer number (295802940636).

Almost surely, 2^{1540053405134} is an apocalyptic number.

1540053405134 is a deficient number, since it is larger than the sum of its proper divisors (826370119954).

1540053405134 is a wasteful number, since it uses less digits than its factorization.

1540053405134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781139130.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1540053405134 its reverse (4315043500451), we get a palindrome (5855096905585).

The spelling of 1540053405134 in words is "one trillion, five hundred forty billion, fifty-three million, four hundred five thousand, one hundred thirty-four".