133748892 has 36 divisors (see below), whose sum is σ = 344471400. Its totient is φ = 43741152.

The previous prime is 133748873. The next prime is 133748917. The reversal of 133748892 is 298847331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×133748892² = 35777532222455328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33142 + ... + 36957.

It is an arithmetic number, because the mean of its divisors is an integer number (9568650).

Almost surely, 2^133748892 is an apocalyptic number.

133748892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133748892 is an abundant number, since it is smaller than the sum of its proper divisors (210722508).

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

133748892 is a wasteful number, since it uses less digits than its factorization.

133748892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70162 (or 70157 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 133748892 is about 11564.9856031039. The cubic root of 133748892 is about 511.4031487034.

The spelling of 133748892 in words is "one hundred thirty-three million, seven hundred forty-eight thousand, eight hundred ninety-two".