136240200 has 72 divisors (see below), whose sum is σ = 457546050. Its totient is φ = 36330240.

The previous prime is 136240199. The next prime is 136240217. The reversal of 136240200 is 2042631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 132296004 + 3944196 = 11502^2 + 1986^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×136240200² = 37122784192080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36045 + ... + 39644.

Almost surely, 2^136240200 is an apocalyptic number.

136240200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136240200 is an abundant number, since it is smaller than the sum of its proper divisors (321305850).

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

136240200 is a wasteful number, since it uses less digits than its factorization.

136240200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75711 (or 75699 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 136240200 is about 11672.1977365019. The cubic root of 136240200 is about 514.5588958693.

Adding to 136240200 its reverse (2042631), we get a palindrome (138282831).

The spelling of 136240200 in words is "one hundred thirty-six million, two hundred forty thousand, two hundred".