137453387 has 4 divisors (see below), whose sum is σ = 137645280. Its totient is φ = 137261496.

The previous prime is 137453321. The next prime is 137453423. The reversal of 137453387 is 783354731.

137453387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783354731 = 5003 ⋅156577.

It is a cyclic number.

It is not a de Polignac number, because 137453387 - 2⁸ = 137453131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137453317) 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, 94868 + ... + 96305.

It is an arithmetic number, because the mean of its divisors is an integer number (34411320).

Almost surely, 2^137453387 is an apocalyptic number.

137453387 is a deficient number, since it is larger than the sum of its proper divisors (191893).

137453387 is an equidigital number, since it uses as much as digits as its factorization.

137453387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191892.

The product of its digits is 211680, while the sum is 41.

The square root of 137453387 is about 11724.0516460821. The cubic root of 137453387 is about 516.0817266841.

The spelling of 137453387 in words is "one hundred thirty-seven million, four hundred fifty-three thousand, three hundred eighty-seven".