136653301126651 has 4 divisors (see below), whose sum is σ = 138692902636072. Its totient is φ = 134613699617232.

The previous prime is 136653301126637. The next prime is 136653301126669. The reversal of 136653301126651 is 156621103356631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136653301126651 - 2²³ = 136653292738043 is a prime.

It is a super-2 number, since 2×136653301126651² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136653301126595 and 136653301126604.

It is not an unprimeable number, because it can be changed into a prime (136653301121651) 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, 1019800754610 + ... + 1019800754743.

It is an arithmetic number, because the mean of its divisors is an integer number (34673225659018).

Almost surely, 2^{136653301126651} is an apocalyptic number.

136653301126651 is a deficient number, since it is larger than the sum of its proper divisors (2039601509421).

136653301126651 is an equidigital number, since it uses as much as digits as its factorization.

136653301126651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039601509420.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 136653301126651 in words is "one hundred thirty-six trillion, six hundred fifty-three billion, three hundred one million, one hundred twenty-six thousand, six hundred fifty-one".