135690726130 has 8 divisors (see below), whose sum is σ = 244243307052. Its totient is φ = 54276290448.

The previous prime is 135690726029. The next prime is 135690726139. The reversal of 135690726130 is 31627096531.

It can be written as a sum of positive squares in 2 ways, for example, as 133421442361 + 2269283769 = 365269^2 + 47637^2 .

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 (135690726139) 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, 6784536297 + ... + 6784536316.

Almost surely, 2^135690726130 is an apocalyptic number.

135690726130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135690726130 is a deficient number, since it is larger than the sum of its proper divisors (108552580922).

135690726130 is a wasteful number, since it uses less digits than its factorization.

135690726130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13569072620.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 135690726130 in words is "one hundred thirty-five billion, six hundred ninety million, seven hundred twenty-six thousand, one hundred thirty".