137433125990 has 32 divisors (see below), whose sum is σ = 256401430560. Its totient is φ = 52975686400.

The previous prime is 137433125989. The next prime is 137433126011. The reversal of 137433125990 is 99521334731.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303716 + ... + 605895.

It is an arithmetic number, because the mean of its divisors is an integer number (8012544705).

Almost surely, 2^137433125990 is an apocalyptic number.

137433125990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137433125990 is a deficient number, since it is larger than the sum of its proper divisors (118968304570).

137433125990 is a wasteful number, since it uses less digits than its factorization.

137433125990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910168.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 137433125990 in words is "one hundred thirty-seven billion, four hundred thirty-three million, one hundred twenty-five thousand, nine hundred ninety".