136129267802 has 16 divisors (see below), whose sum is σ = 222906840192. Its totient is φ = 61835313120.

The previous prime is 136129267787. The next prime is 136129267823. The reversal of 136129267802 is 208762921631.

It is a super-2 number, since 2×136129267802² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047883 + ... + 2113310.

It is an arithmetic number, because the mean of its divisors is an integer number (13931677512).

Almost surely, 2^136129267802 is an apocalyptic number.

136129267802 is a deficient number, since it is larger than the sum of its proper divisors (86777572390).

136129267802 is a wasteful number, since it uses less digits than its factorization.

136129267802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162693.

The product of its (nonzero) digits is 435456, while the sum is 47.

Adding to 136129267802 its sum of digits (47), we get a square (136129267849 = 368957²).

The spelling of 136129267802 in words is "one hundred thirty-six billion, one hundred twenty-nine million, two hundred sixty-seven thousand, eight hundred two".