133392757 has 2 divisors, whose sum is σ = 133392758. Its totient is φ = 133392756.

The previous prime is 133392739. The next prime is 133392767. The reversal of 133392757 is 757293331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101425041 + 31967716 = 10071^2 + 5654^2 .

It is a cyclic number.

It is not a de Polignac number, because 133392757 - 2¹¹ = 133390709 is a prime.

It is a super-2 number, since 2×133392757² = 35587255240122098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133392737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66696378 + 66696379.

It is an arithmetic number, because the mean of its divisors is an integer number (66696379).

Almost surely, 2^133392757 is an apocalyptic number.

It is an amenable number.

133392757 is a deficient number, since it is larger than the sum of its proper divisors (1).

133392757 is an equidigital number, since it uses as much as digits as its factorization.

133392757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 40.

The square root of 133392757 is about 11549.5782174069. The cubic root of 133392757 is about 510.9488385174.

The spelling of 133392757 in words is "one hundred thirty-three million, three hundred ninety-two thousand, seven hundred fifty-seven".