136122451 has 12 divisors (see below), whose sum is σ = 146090952. Its totient is φ = 126394944.

The previous prime is 136122449. The next prime is 136122461. The reversal of 136122451 is 154221631.

It is a happy number.

It is not a de Polignac number, because 136122451 - 2¹ = 136122449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136122461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105456 + ... + 106738.

It is an arithmetic number, because the mean of its divisors is an integer number (12174246).

Almost surely, 2^136122451 is an apocalyptic number.

136122451 is a deficient number, since it is larger than the sum of its proper divisors (9968501).

136122451 is an equidigital number, since it uses as much as digits as its factorization.

136122451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1379 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 136122451 is about 11667.1526517827. The cubic root of 136122451 is about 514.4106130106.

The spelling of 136122451 in words is "one hundred thirty-six million, one hundred twenty-two thousand, four hundred fifty-one".