131633778334 has 8 divisors (see below), whose sum is σ = 203820043968. Its totient is φ = 63693763680.

The previous prime is 131633778329. The next prime is 131633778347. The reversal of 131633778334 is 433877336131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061562667 + ... + 1061562790.

It is an arithmetic number, because the mean of its divisors is an integer number (25477505496).

Almost surely, 2^131633778334 is an apocalyptic number.

131633778334 is a deficient number, since it is larger than the sum of its proper divisors (72186265634).

131633778334 is a wasteful number, since it uses less digits than its factorization.

131633778334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123125490.

The product of its digits is 2286144, while the sum is 49.

The spelling of 131633778334 in words is "one hundred thirty-one billion, six hundred thirty-three million, seven hundred seventy-eight thousand, three hundred thirty-four".