137729042 has 8 divisors (see below), whose sum is σ = 225374832. Its totient is φ = 62604100.

The previous prime is 137729029. The next prime is 137729047. The reversal of 137729042 is 240927731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 137728993 and 137729011.

It is not an unprimeable number, because it can be changed into a prime (137729047) 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, 3130184 + ... + 3130227.

It is an arithmetic number, because the mean of its divisors is an integer number (28171854).

Almost surely, 2^137729042 is an apocalyptic number.

137729042 is a deficient number, since it is larger than the sum of its proper divisors (87645790).

137729042 is a wasteful number, since it uses less digits than its factorization.

137729042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260424.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 137729042 is about 11735.8017195247. The cubic root of 137729042 is about 516.4264872336.

The spelling of 137729042 in words is "one hundred thirty-seven million, seven hundred twenty-nine thousand, forty-two".