133677748 has 12 divisors (see below), whose sum is σ = 244107360. Its totient is φ = 63932792.

The previous prime is 133677743. The next prime is 133677763. The reversal of 133677748 is 847776331.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 133677698 and 133677707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133677743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726418 + ... + 726601.

It is an arithmetic number, because the mean of its divisors is an integer number (20342280).

Almost surely, 2^133677748 is an apocalyptic number.

It is an amenable number.

133677748 is a deficient number, since it is larger than the sum of its proper divisors (110429612).

133677748 is a wasteful number, since it uses less digits than its factorization.

133677748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453046 (or 1453044 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The square root of 133677748 is about 11561.9093578872. The cubic root of 133677748 is about 511.3124570647.

It can be divided in two parts, 13367 and 7748, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 133677748 in words is "one hundred thirty-three million, six hundred seventy-seven thousand, seven hundred forty-eight".