137770137983 has 4 divisors (see below), whose sum is σ = 138004840680. Its totient is φ = 137535435288.

The previous prime is 137770137979. The next prime is 137770138007. The reversal of 137770137983 is 389731077731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137770137983 - 2² = 137770137979 is a prime.

It is a super-2 number, since 2×137770137983² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137770137913) 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, 117350468 + ... + 117351641.

It is an arithmetic number, because the mean of its divisors is an integer number (34501210170).

Almost surely, 2^137770137983 is an apocalyptic number.

137770137983 is a deficient number, since it is larger than the sum of its proper divisors (234702697).

137770137983 is an equidigital number, since it uses as much as digits as its factorization.

137770137983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234702696.

The product of its (nonzero) digits is 4667544, while the sum is 56.

The spelling of 137770137983 in words is "one hundred thirty-seven billion, seven hundred seventy million, one hundred thirty-seven thousand, nine hundred eighty-three".