136055890 has 16 divisors (see below), whose sum is σ = 246256920. Its totient is φ = 54120960.

The previous prime is 136055839. The next prime is 136055897. The reversal of 136055890 is 98550631.

It can be written as a sum of positive squares in 4 ways, for example, as 75012921 + 61042969 = 8661^2 + 7813^2 .

It is a super-2 number, since 2×136055890² = 37022410407384200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136055897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35775 + ... + 39394.

Almost surely, 2^136055890 is an apocalyptic number.

136055890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136055890 is a deficient number, since it is larger than the sum of its proper divisors (110201030).

136055890 is a wasteful number, since it uses less digits than its factorization.

136055890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75357.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 136055890 is about 11664.2998075324. The cubic root of 136055890 is about 514.3267540368.

The spelling of 136055890 in words is "one hundred thirty-six million, fifty-five thousand, eight hundred ninety".