136354554 has 72 divisors (see below), whose sum is σ = 354826368. Its totient is φ = 37694160.

The previous prime is 136354499. The next prime is 136354571. The reversal of 136354554 is 455453631.

136354554 is a `hidden beast` number, since 1 + 3 + 63 + 545 + 54 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24849 + ... + 29835.

It is an arithmetic number, because the mean of its divisors is an integer number (4928144).

Almost surely, 2^136354554 is an apocalyptic number.

136354554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136354554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177413184).

136354554 is an abundant number, since it is smaller than the sum of its proper divisors (218471814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136354554 is a wasteful number, since it uses less digits than its factorization.

136354554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040 (or 5030 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 136354554 is about 11677.0952723698. The cubic root of 136354554 is about 514.7028216038.

The spelling of 136354554 in words is "one hundred thirty-six million, three hundred fifty-four thousand, five hundred fifty-four".