136729490381 has 8 divisors (see below), whose sum is σ = 149162775264. Its totient is φ = 124296760720.

The previous prime is 136729490363. The next prime is 136729490389. The reversal of 136729490381 is 183094927631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136729490381 - 2³⁴ = 119549621197 is a prime.

It is a super-2 number, since 2×136729490381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136729490389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506615 + ... + 728091.

It is an arithmetic number, because the mean of its divisors is an integer number (18645346908).

Almost surely, 2^136729490381 is an apocalyptic number.

136729490381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136729490381 is a deficient number, since it is larger than the sum of its proper divisors (12433284883).

136729490381 is a wasteful number, since it uses less digits than its factorization.

136729490381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277611.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 136729490381 in words is "one hundred thirty-six billion, seven hundred twenty-nine million, four hundred ninety thousand, three hundred eighty-one".