137242012 has 12 divisors (see below), whose sum is σ = 250616016. Its totient is φ = 65637440.

The previous prime is 137241967. The next prime is 137242013. The reversal of 137242012 is 210242731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137242013) 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, 745789 + ... + 745972.

It is an arithmetic number, because the mean of its divisors is an integer number (20884668).

Almost surely, 2^137242012 is an apocalyptic number.

It is an amenable number.

137242012 is a deficient number, since it is larger than the sum of its proper divisors (113374004).

137242012 is a wasteful number, since it uses less digits than its factorization.

137242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491788 (or 1491786 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 137242012 is about 11715.0335893671. The cubic root of 137242012 is about 515.8170484955.

Adding to 137242012 its reverse (210242731), we get a palindrome (347484743).

The spelling of 137242012 in words is "one hundred thirty-seven million, two hundred forty-two thousand, twelve".