136458648 has 32 divisors (see below), whose sum is σ = 379052400. Its totient is φ = 45486144.

The previous prime is 136458629. The next prime is 136458653. The reversal of 136458648 is 846854631.

136458648 is a `hidden beast` number, since 1 + 3 + 64 + 586 + 4 + 8 = 666.

It is a super-2 number, since 2×136458648² = 37241925227975808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315661 + ... + 316092.

Almost surely, 2^136458648 is an apocalyptic number.

136458648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136458648 is an abundant number, since it is smaller than the sum of its proper divisors (242593752).

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

136458648 is a wasteful number, since it uses less digits than its factorization.

136458648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631768 (or 631758 counting only the distinct ones).

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

The square root of 136458648 is about 11681.5516092684. The cubic root of 136458648 is about 514.8337641745.

The spelling of 136458648 in words is "one hundred thirty-six million, four hundred fifty-eight thousand, six hundred forty-eight".