137142811 has 4 divisors (see below), whose sum is σ = 147692272. Its totient is φ = 126593352.

The previous prime is 137142793. The next prime is 137142829. The reversal of 137142811 is 118241731.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (137142793) and next prime (137142829).

It is a cyclic number.

It is not a de Polignac number, because 137142811 - 2¹³ = 137134619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137142811.

It is not an unprimeable number, because it can be changed into a prime (137142871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5274711 + ... + 5274736.

It is an arithmetic number, because the mean of its divisors is an integer number (36923068).

Almost surely, 2^137142811 is an apocalyptic number.

137142811 is a deficient number, since it is larger than the sum of its proper divisors (10549461).

137142811 is a wasteful number, since it uses less digits than its factorization.

137142811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10549460.

The product of its digits is 1344, while the sum is 28.

The square root of 137142811 is about 11710.7989052840. The cubic root of 137142811 is about 515.6927379193.

The spelling of 137142811 in words is "one hundred thirty-seven million, one hundred forty-two thousand, eight hundred eleven".