135973776 has 20 divisors (see below), whose sum is σ = 351265712. Its totient is φ = 45324576.

The previous prime is 135973741. The next prime is 135973777. The reversal of 135973776 is 677379531.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2832787 = 135973776 / (1 + 3 + 5 + 9 + 7 + 3 + 7 + 7 + 6).

It is not an unprimeable number, because it can be changed into a prime (135973777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416346 + ... + 1416441.

Almost surely, 2^135973776 is an apocalyptic number.

135973776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135973776 is an abundant number, since it is smaller than the sum of its proper divisors (215291936).

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

135973776 is a wasteful number, since it uses less digits than its factorization.

135973776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832798 (or 2832792 counting only the distinct ones).

The product of its digits is 833490, while the sum is 48.

The square root of 135973776 is about 11660.7793907612. The cubic root of 135973776 is about 514.2232624342.

The spelling of 135973776 in words is "one hundred thirty-five million, nine hundred seventy-three thousand, seven hundred seventy-six".