137452091 has 8 divisors (see below), whose sum is σ = 157903584. Its totient is φ = 117204480.

The previous prime is 137452069. The next prime is 137452103. The reversal of 137452091 is 190254731.

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 137452091 - 2⁶ = 137452027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137452001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49520 + ... + 52221.

It is an arithmetic number, because the mean of its divisors is an integer number (19737948).

Almost surely, 2^137452091 is an apocalyptic number.

137452091 is a deficient number, since it is larger than the sum of its proper divisors (20451493).

137452091 is a wasteful number, since it uses less digits than its factorization.

137452091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101941.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 137452091 is about 11723.9963749568. The cubic root of 137452091 is about 516.0801046942.

The spelling of 137452091 in words is "one hundred thirty-seven million, four hundred fifty-two thousand, ninety-one".