133740988 has 12 divisors (see below), whose sum is σ = 234719800. Its totient is φ = 66678192.

The previous prime is 133740979. The next prime is 133741031. The reversal of 133740988 is 889047331.

It is a happy number.

It is a super-2 number, since 2×133740988² = 35773303742432288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 46506 + ... + 49297.

Almost surely, 2^133740988 is an apocalyptic number.

It is an amenable number.

133740988 is a deficient number, since it is larger than the sum of its proper divisors (100978812).

133740988 is a wasteful number, since it uses less digits than its factorization.

133740988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96156 (or 96154 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 133740988 is about 11564.6438769207. The cubic root of 133740988 is about 511.3930745760.

The spelling of 133740988 in words is "one hundred thirty-three million, seven hundred forty thousand, nine hundred eighty-eight".