135378966902 has 32 divisors (see below), whose sum is σ = 215269639200. Its totient is φ = 63739065600.

The previous prime is 135378966809. The next prime is 135378966937. The reversal of 135378966902 is 209669873531.

It is a super-2 number, since 2×135378966902² (a number of 23 digits) contains 22 as substring.

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, 8241077 + ... + 8257487.

It is an arithmetic number, because the mean of its divisors is an integer number (6727176225).

Almost surely, 2^135378966902 is an apocalyptic number.

135378966902 is a deficient number, since it is larger than the sum of its proper divisors (79890672298).

135378966902 is a wasteful number, since it uses less digits than its factorization.

135378966902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19952.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 135378966902 in words is "one hundred thirty-five billion, three hundred seventy-eight million, nine hundred sixty-six thousand, nine hundred two".