137551377831 has 8 divisors (see below), whose sum is σ = 209602099584. Its totient is φ = 78600787320.

The previous prime is 137551377809. The next prime is 137551377889. The reversal of 137551377831 is 138773155731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137551377831 - 2²³ = 137542989223 is a prime.

It is a super-2 number, since 2×137551377831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137551377031) 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, 3275032785 + ... + 3275032826.

It is an arithmetic number, because the mean of its divisors is an integer number (26200262448).

Almost surely, 2^137551377831 is an apocalyptic number.

137551377831 is a deficient number, since it is larger than the sum of its proper divisors (72050721753).

137551377831 is an equidigital number, since it uses as much as digits as its factorization.

137551377831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550065621.

The product of its digits is 1852200, while the sum is 51.

The spelling of 137551377831 in words is "one hundred thirty-seven billion, five hundred fifty-one million, three hundred seventy-seven thousand, eight hundred thirty-one".