136423442355 has 32 divisors (see below), whose sum is σ = 226195642368. Its totient is φ = 70138060800.

The previous prime is 136423442339. The next prime is 136423442369. The reversal of 136423442355 is 553244324631.

It is not a de Polignac number, because 136423442355 - 2⁴ = 136423442339 is a prime.

It is a super-2 number, since 2×136423442355² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451281 + ... + 690290.

It is an arithmetic number, because the mean of its divisors is an integer number (7068613824).

Almost surely, 2^136423442355 is an apocalyptic number.

136423442355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136423442355 is a deficient number, since it is larger than the sum of its proper divisors (89772200013).

136423442355 is a wasteful number, since it uses less digits than its factorization.

136423442355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141867.

The product of its digits is 1036800, while the sum is 42.

Adding to 136423442355 its reverse (553244324631), we get a palindrome (689667766986).

The spelling of 136423442355 in words is "one hundred thirty-six billion, four hundred twenty-three million, four hundred forty-two thousand, three hundred fifty-five".