137869778948 has 24 divisors (see below), whose sum is σ = 263813844000. Its totient is φ = 62523342720.

The previous prime is 137869778933. The next prime is 137869779043. The reversal of 137869778948 is 849877968731.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3599198 + ... + 3637301.

It is an arithmetic number, because the mean of its divisors is an integer number (10992243500).

Almost surely, 2^137869778948 is an apocalyptic number.

It is an amenable number.

137869778948 is a deficient number, since it is larger than the sum of its proper divisors (125944065052).

137869778948 is a wasteful number, since it uses less digits than its factorization.

137869778948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236947 (or 7236945 counting only the distinct ones).

The product of its digits is 1024192512, while the sum is 77.

The spelling of 137869778948 in words is "one hundred thirty-seven billion, eight hundred sixty-nine million, seven hundred seventy-eight thousand, nine hundred forty-eight".