136240078 has 32 divisors (see below), whose sum is σ = 225064224. Its totient is φ = 61471872.

The previous prime is 136240073. The next prime is 136240121. The reversal of 136240078 is 870042631.

It is a super-2 number, since 2×136240078² = 37122717706892168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136240073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342976 + ... + 343372.

It is an arithmetic number, because the mean of its divisors is an integer number (7033257).

Almost surely, 2^136240078 is an apocalyptic number.

136240078 is a deficient number, since it is larger than the sum of its proper divisors (88824146).

136240078 is a wasteful number, since it uses less digits than its factorization.

136240078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 136240078 is about 11672.1925104069. The cubic root of 136240078 is about 514.5587422773.

The spelling of 136240078 in words is "one hundred thirty-six million, two hundred forty thousand, seventy-eight".