136940554 has 8 divisors (see below), whose sum is σ = 208224900. Its totient is φ = 67532256.

The previous prime is 136940537. The next prime is 136940561. The reversal of 136940554 is 455049631.

It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 15389929 = 11025^2 + 3923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468829 + ... + 469120.

Almost surely, 2^136940554 is an apocalyptic number.

136940554 is a deficient number, since it is larger than the sum of its proper divisors (71284346).

136940554 is an equidigital number, since it uses as much as digits as its factorization.

136940554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938024.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 136940554 is about 11702.1602279237. The cubic root of 136940554 is about 515.4391001672.

The spelling of 136940554 in words is "one hundred thirty-six million, nine hundred forty thousand, five hundred fifty-four".