137353819 has 4 divisors (see below), whose sum is σ = 139403944. Its totient is φ = 135303696.

The previous prime is 137353771. The next prime is 137353847. The reversal of 137353819 is 918353731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918353731 = 4877 ⋅188303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137353819 is a prime.

It is a super-2 number, since 2×137353819² = 37732143187769522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137353849) 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, 1024962 + ... + 1025095.

It is an arithmetic number, because the mean of its divisors is an integer number (34850986).

Almost surely, 2^137353819 is an apocalyptic number.

137353819 is a deficient number, since it is larger than the sum of its proper divisors (2050125).

137353819 is an equidigital number, since it uses as much as digits as its factorization.

137353819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050124.

The product of its digits is 68040, while the sum is 40.

The square root of 137353819 is about 11719.8045632169. The cubic root of 137353819 is about 515.9570840958.

The spelling of 137353819 in words is "one hundred thirty-seven million, three hundred fifty-three thousand, eight hundred nineteen".