345137136 has 40 divisors (see below), whose sum is σ = 920369664. Its totient is φ = 111334080.

The previous prime is 345137123. The next prime is 345137141. The reversal of 345137136 is 631731543.

It is a super-3 number, since 3×345137136³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345137097 and 345137106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114486 + ... + 117461.

Almost surely, 2^345137136 is an apocalyptic number.

It is an amenable number.

345137136 is an abundant number, since it is smaller than the sum of its proper divisors (575232528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345137136 is a wasteful number, since it uses less digits than its factorization.

345137136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231989 (or 231983 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 345137136 is about 18577.8668312592. The cubic root of 345137136 is about 701.4508249461.

Adding to 345137136 its reverse (631731543), we get a palindrome (976868679).

The spelling of 345137136 in words is "three hundred forty-five million, one hundred thirty-seven thousand, one hundred thirty-six".