136667040 has 48 divisors (see below), whose sum is σ = 430502688. Its totient is φ = 36444416.

The previous prime is 136667033. The next prime is 136667093. The reversal of 136667040 is 40766631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 136666992 and 136667010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141882 + ... + 142841.

It is an arithmetic number, because the mean of its divisors is an integer number (8968806).

Almost surely, 2^136667040 is an apocalyptic number.

136667040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136667040 is an abundant number, since it is smaller than the sum of its proper divisors (293835648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136667040 is a wasteful number, since it uses less digits than its factorization.

136667040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284741 (or 284733 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 136667040 is about 11690.4679119358. The cubic root of 136667040 is about 515.0957059698.

It can be divided in two parts, 13666 and 7040, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 136667040 in words is "one hundred thirty-six million, six hundred sixty-seven thousand, forty".