345729137 has 8 divisors (see below), whose sum is σ = 372468096. Its totient is φ = 319010832.

The previous prime is 345729107. The next prime is 345729173. The reversal of 345729137 is 731927543.

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

It is a cyclic number.

It is not a de Polignac number, because 345729137 - 2¹² = 345725041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345729094 and 345729103.

It is not an unprimeable number, because it can be changed into a prime (345729107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64328 + ... + 69494.

It is an arithmetic number, because the mean of its divisors is an integer number (46558512).

Almost surely, 2^345729137 is an apocalyptic number.

It is an amenable number.

345729137 is a deficient number, since it is larger than the sum of its proper divisors (26738959).

345729137 is a wasteful number, since it uses less digits than its factorization.

345729137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327.

The product of its digits is 158760, while the sum is 41.

The square root of 345729137 is about 18593.7929696982. The cubic root of 345729137 is about 701.8516534343.

The spelling of 345729137 in words is "three hundred forty-five million, seven hundred twenty-nine thousand, one hundred thirty-seven".