137460643 has 4 divisors (see below), whose sum is σ = 138151600. Its totient is φ = 136769688.

The previous prime is 137460629. The next prime is 137460703. The reversal of 137460643 is 346064731.

137460643 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: 346064731 = 43 ⋅8048017.

It is a cyclic number.

It is not a de Polignac number, because 137460643 - 2⁹ = 137460131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137460599 and 137460608.

It is not an unprimeable number, because it can be changed into a prime (137460943) 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, 345180 + ... + 345577.

It is an arithmetic number, because the mean of its divisors is an integer number (34537900).

Almost surely, 2^137460643 is an apocalyptic number.

137460643 is a deficient number, since it is larger than the sum of its proper divisors (690957).

137460643 is an equidigital number, since it uses as much as digits as its factorization.

137460643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690956.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 137460643 is about 11724.3610913346. The cubic root of 137460643 is about 516.0908076368.

The spelling of 137460643 in words is "one hundred thirty-seven million, four hundred sixty thousand, six hundred forty-three".