136851556 has 6 divisors (see below), whose sum is σ = 239490230. Its totient is φ = 68425776.

The previous prime is 136851553. The next prime is 136851557. The reversal of 136851556 is 655158631.

It can be written as a sum of positive squares in only one way, i.e., 131469156 + 5382400 = 11466^2 + 2320^2 .

It is a super-2 number, since 2×136851556² = 37456696759242272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136851553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17106441 + ... + 17106448.

Almost surely, 2^136851556 is an apocalyptic number.

It is an amenable number.

136851556 is a deficient number, since it is larger than the sum of its proper divisors (102638674).

136851556 is a wasteful number, since it uses less digits than its factorization.

136851556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34212893 (or 34212891 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The square root of 136851556 is about 11698.3569786530. The cubic root of 136851556 is about 515.3274142593.

The spelling of 136851556 in words is "one hundred thirty-six million, eight hundred fifty-one thousand, five hundred fifty-six".