136858464 has 192 divisors, whose sum is σ = 426746880. Its totient is φ = 42577920.

The previous prime is 136858439. The next prime is 136858489. The reversal of 136858464 is 464858631.

136858464 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 584 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (136858439) and next prime (136858489).

It is a congruent number.

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, 1410864 + ... + 1410960.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^136858464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136858464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213373440).

136858464 is an abundant number, since it is smaller than the sum of its proper divisors (289888416).

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

136858464 is a wasteful number, since it uses less digits than its factorization.

136858464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 196 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 136858464 is about 11698.6522300648. The cubic root of 136858464 is about 515.3360850214.

The spelling of 136858464 in words is "one hundred thirty-six million, eight hundred fifty-eight thousand, four hundred sixty-four".