135784281374 has 16 divisors (see below), whose sum is σ = 232806555648. Its totient is φ = 58184887992.

The previous prime is 135784281331. The next prime is 135784281389. The reversal of 135784281374 is 473182487531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596702 + ... + 792225.

It is an arithmetic number, because the mean of its divisors is an integer number (14550409728).

Almost surely, 2^135784281374 is an apocalyptic number.

135784281374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135784281374 is a deficient number, since it is larger than the sum of its proper divisors (97022274274).

135784281374 is a wasteful number, since it uses less digits than its factorization.

135784281374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395919.

The product of its digits is 4515840, while the sum is 53.

The spelling of 135784281374 in words is "one hundred thirty-five billion, seven hundred eighty-four million, two hundred eighty-one thousand, three hundred seventy-four".