137485331 has 8 divisors (see below), whose sum is σ = 139258800. Its totient is φ = 135717120.

The previous prime is 137485321. The next prime is 137485343. The reversal of 137485331 is 133584731.

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 137485331 - 2¹⁰ = 137484307 is a prime.

It is a super-2 number, since 2×137485331² = 37804432480359122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137485291 and 137485300.

It is not an unprimeable number, because it can be changed into a prime (137485321) 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, 89036 + ... + 90566.

It is an arithmetic number, because the mean of its divisors is an integer number (17407350).

Almost surely, 2^137485331 is an apocalyptic number.

137485331 is a deficient number, since it is larger than the sum of its proper divisors (1773469).

137485331 is a wasteful number, since it uses less digits than its factorization.

137485331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its digits is 30240, while the sum is 35.

The square root of 137485331 is about 11725.4138946137. The cubic root of 137485331 is about 516.1217025094.

The spelling of 137485331 in words is "one hundred thirty-seven million, four hundred eighty-five thousand, three hundred thirty-one".