1975926136 has 72 divisors (see below), whose sum is σ = 4039593480. Its totient is φ = 904347136.

The previous prime is 1975926103. The next prime is 1975926157. The reversal of 1975926136 is 6316295791.

It is a self number, because there is not a number n which added to its sum of digits gives 1975926136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17486016 + ... + 17486128.

It is an arithmetic number, because the mean of its divisors is an integer number (56105465).

Almost surely, 2^1975926136 is an apocalyptic number.

It is an amenable number.

1975926136 is an abundant number, since it is smaller than the sum of its proper divisors (2063667344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1975926136 is a wasteful number, since it uses less digits than its factorization.

1975926136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 167 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 1975926136 is about 44451.3907094030. The cubic root of 1975926136 is about 1254.8454354814.

The spelling of 1975926136 in words is "one billion, nine hundred seventy-five million, nine hundred twenty-six thousand, one hundred thirty-six".