136240377 has 32 divisors (see below), whose sum is σ = 224329728. Its totient is φ = 71620416.

The previous prime is 136240367. The next prime is 136240439. The reversal of 136240377 is 773042631.

It is not a de Polignac number, because 136240377 - 2⁷ = 136240249 is a prime.

It is a super-2 number, since 2×136240377² = 37122880650204258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136240367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103908 + ... + 105210.

It is an arithmetic number, because the mean of its divisors is an integer number (7010304).

Almost surely, 2^136240377 is an apocalyptic number.

It is an amenable number.

136240377 is a deficient number, since it is larger than the sum of its proper divisors (88089351).

136240377 is a wasteful number, since it uses less digits than its factorization.

136240377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 136240377 is about 11672.2053186191. The cubic root of 136240377 is about 514.5591187033.

The spelling of 136240377 in words is "one hundred thirty-six million, two hundred forty thousand, three hundred seventy-seven".