137982373783 has 4 divisors (see below), whose sum is σ = 138025754008. Its totient is φ = 137938993560.

The previous prime is 137982373769. The next prime is 137982373787. The reversal of 137982373783 is 387373289731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387373289731 = 77521 ⋅4997011.

It is a cyclic number.

It is not a de Polignac number, because 137982373783 - 2⁵ = 137982373751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137982373787) 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, 21685341 + ... + 21691702.

It is an arithmetic number, because the mean of its divisors is an integer number (34506438502).

Almost surely, 2^137982373783 is an apocalyptic number.

137982373783 is a deficient number, since it is larger than the sum of its proper divisors (43380225).

137982373783 is an equidigital number, since it uses as much as digits as its factorization.

137982373783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43380224.

The product of its digits is 32006016, while the sum is 61.

The spelling of 137982373783 in words is "one hundred thirty-seven billion, nine hundred eighty-two million, three hundred seventy-three thousand, seven hundred eighty-three".