136941428 has 12 divisors (see below), whose sum is σ = 258082020. Its totient is φ = 63203712.

The previous prime is 136941407. The next prime is 136941491. The reversal of 136941428 is 824149631.

It can be written as a sum of positive squares in 2 ways, for example, as 19695844 + 117245584 = 4438^2 + 10828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136941391 and 136941400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316693 + ... + 1316796.

It is an arithmetic number, because the mean of its divisors is an integer number (21506835).

Almost surely, 2^136941428 is an apocalyptic number.

It is an amenable number.

136941428 is a deficient number, since it is larger than the sum of its proper divisors (121140592).

136941428 is a wasteful number, since it uses less digits than its factorization.

136941428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633506 (or 2633504 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 136941428 is about 11702.1975713966. The cubic root of 136941428 is about 515.4401967325.

The spelling of 136941428 in words is "one hundred thirty-six million, nine hundred forty-one thousand, four hundred twenty-eight".