136869650 has 48 divisors (see below), whose sum is σ = 264625920. Its totient is φ = 52612800.

The previous prime is 136869643. The next prime is 136869659. The reversal of 136869650 is 56968631.

It is a super-2 number, since 2×136869650² = 37466602182245000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136869659) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 351656 + ... + 352044.

It is an arithmetic number, because the mean of its divisors is an integer number (5513040).

Almost surely, 2^136869650 is an apocalyptic number.

136869650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136869650 is a deficient number, since it is larger than the sum of its proper divisors (127756270).

136869650 is a wasteful number, since it uses less digits than its factorization.

136869650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 136869650 is about 11699.1303095572. The cubic root of 136869650 is about 515.3501248117.

The spelling of 136869650 in words is "one hundred thirty-six million, eight hundred sixty-nine thousand, six hundred fifty".