1540433420135 has 16 divisors (see below), whose sum is σ = 1945845350400. Its totient is φ = 1167465553056.

The previous prime is 1540433420111. The next prime is 1540433420147. The reversal of 1540433420135 is 5310243340451.

It is not a de Polignac number, because 1540433420135 - 2⁸ = 1540433419879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1540433420095 and 1540433420104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7117082 + ... + 7330328.

It is an arithmetic number, because the mean of its divisors is an integer number (121615334400).

Almost surely, 2^{1540433420135} is an apocalyptic number.

1540433420135 is a deficient number, since it is larger than the sum of its proper divisors (405411930265).

1540433420135 is a wasteful number, since it uses less digits than its factorization.

1540433420135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289310.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1540433420135 its reverse (5310243340451), we get a palindrome (6850676760586).

The spelling of 1540433420135 in words is "one trillion, five hundred forty billion, four hundred thirty-three million, four hundred twenty thousand, one hundred thirty-five".