137271142 has 4 divisors (see below), whose sum is σ = 205906716. Its totient is φ = 68635570.

The previous prime is 137271097. The next prime is 137271149. The reversal of 137271142 is 241172731.

137271142 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.

It is a self number, because there is not a number n which added to its sum of digits gives 137271142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137271149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34317784 + ... + 34317787.

It is an arithmetic number, because the mean of its divisors is an integer number (51476679).

Almost surely, 2^137271142 is an apocalyptic number.

137271142 is a deficient number, since it is larger than the sum of its proper divisors (68635574).

137271142 is an equidigital number, since it uses as much as digits as its factorization.

137271142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68635573.

The product of its digits is 2352, while the sum is 28.

The square root of 137271142 is about 11716.2767976862. The cubic root of 137271142 is about 515.8535404497.

The spelling of 137271142 in words is "one hundred thirty-seven million, two hundred seventy-one thousand, one hundred forty-two".