137747145 has 8 divisors (see below), whose sum is σ = 220395456. Its totient is φ = 73465136.

The previous prime is 137747143. The next prime is 137747147. The reversal of 137747145 is 541747731.

137747145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137747143) and next prime (137747147).

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 137747145 - 2¹ = 137747143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137747143) 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, 4591557 + ... + 4591586.

It is an arithmetic number, because the mean of its divisors is an integer number (27549432).

Almost surely, 2^137747145 is an apocalyptic number.

137747145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137747145 is a deficient number, since it is larger than the sum of its proper divisors (82648311).

137747145 is an equidigital number, since it uses as much as digits as its factorization.

137747145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183151.

The product of its digits is 82320, while the sum is 39.

The square root of 137747145 is about 11736.5729665861. The cubic root of 137747145 is about 516.4491124766.

The spelling of 137747145 in words is "one hundred thirty-seven million, seven hundred forty-seven thousand, one hundred forty-five".