136740356 has 6 divisors (see below), whose sum is σ = 239295630. Its totient is φ = 68370176.

The previous prime is 136740337. The next prime is 136740407. The reversal of 136740356 is 653047631.

It can be written as a sum of positive squares in only one way, i.e., 91393600 + 45346756 = 9560^2 + 6734^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17092541 + ... + 17092548.

It is an arithmetic number, because the mean of its divisors is an integer number (39882605).

Almost surely, 2^136740356 is an apocalyptic number.

It is an amenable number.

136740356 is a deficient number, since it is larger than the sum of its proper divisors (102555274).

136740356 is a wasteful number, since it uses less digits than its factorization.

136740356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34185093 (or 34185091 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 136740356 is about 11693.6032085923. The cubic root of 136740356 is about 515.1877984151.

Adding to 136740356 its reverse (653047631), we get a palindrome (789787987).

The spelling of 136740356 in words is "one hundred thirty-six million, seven hundred forty thousand, three hundred fifty-six".