137040886 has 4 divisors (see below), whose sum is σ = 205561332. Its totient is φ = 68520442.

The previous prime is 137040829. The next prime is 137040887. The reversal of 137040886 is 688040731.

It is a happy number.

137040886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 688040731 = 7 ⋅98291533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137040887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34260220 + ... + 34260223.

It is an arithmetic number, because the mean of its divisors is an integer number (51390333).

Almost surely, 2^137040886 is an apocalyptic number.

137040886 is a deficient number, since it is larger than the sum of its proper divisors (68520446).

137040886 is an equidigital number, since it uses as much as digits as its factorization.

137040886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68520445.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 137040886 is about 11706.4463437885. The cubic root of 137040886 is about 515.5649513959.

The spelling of 137040886 in words is "one hundred thirty-seven million, forty thousand, eight hundred eighty-six".