137229667 has 4 divisors (see below), whose sum is σ = 139818960. Its totient is φ = 134640376.

The previous prime is 137229649. The next prime is 137229691. The reversal of 137229667 is 766922731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766922731 = 5333 ⋅143807.

It is a cyclic number.

It is not a de Polignac number, because 137229667 - 2⁷ = 137229539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137229607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294567 + ... + 1294672.

It is an arithmetic number, because the mean of its divisors is an integer number (34954740).

Almost surely, 2^137229667 is an apocalyptic number.

137229667 is a deficient number, since it is larger than the sum of its proper divisors (2589293).

137229667 is an equidigital number, since it uses as much as digits as its factorization.

137229667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589292.

The product of its digits is 190512, while the sum is 43.

The square root of 137229667 is about 11714.5066904245. The cubic root of 137229667 is about 515.8015820157.

The spelling of 137229667 in words is "one hundred thirty-seven million, two hundred twenty-nine thousand, six hundred sixty-seven".