136770638530 has 8 divisors (see below), whose sum is σ = 246187149372. Its totient is φ = 54708255408.

The previous prime is 136770638479. The next prime is 136770638533. The reversal of 136770638530 is 35836077631.

It can be written as a sum of positive squares in 2 ways, for example, as 128557385401 + 8213253129 = 358549^2 + 90627^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136770638533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838531917 + ... + 6838531936.

Almost surely, 2^136770638530 is an apocalyptic number.

136770638530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136770638530 is a deficient number, since it is larger than the sum of its proper divisors (109416510842).

136770638530 is a wasteful number, since it uses less digits than its factorization.

136770638530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677063860.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 136770638530 in words is "one hundred thirty-six billion, seven hundred seventy million, six hundred thirty-eight thousand, five hundred thirty".