136941566 has 4 divisors (see below), whose sum is σ = 205412352. Its totient is φ = 68470782.

The previous prime is 136941547. The next prime is 136941589. The reversal of 136941566 is 665149631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34235390 + ... + 34235393.

It is an arithmetic number, because the mean of its divisors is an integer number (51353088).

Almost surely, 2^136941566 is an apocalyptic number.

136941566 is a deficient number, since it is larger than the sum of its proper divisors (68470786).

136941566 is an equidigital number, since it uses as much as digits as its factorization.

136941566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68470785.

The product of its digits is 116640, while the sum is 41.

The square root of 136941566 is about 11702.2034677235. The cubic root of 136941566 is about 515.4403698740.

The spelling of 136941566 in words is "one hundred thirty-six million, nine hundred forty-one thousand, five hundred sixty-six".