133739470 has 8 divisors (see below), whose sum is σ = 240731064. Its totient is φ = 53495784.

The previous prime is 133739413. The next prime is 133739479. The reversal of 133739470 is 74937331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133739479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686964 + ... + 6686983.

It is an arithmetic number, because the mean of its divisors is an integer number (30091383).

Almost surely, 2^133739470 is an apocalyptic number.

133739470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133739470 is a deficient number, since it is larger than the sum of its proper divisors (106991594).

133739470 is a wasteful number, since it uses less digits than its factorization.

133739470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373954.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 133739470 is about 11564.5782456603. The cubic root of 133739470 is about 511.3911397475.

The spelling of 133739470 in words is "one hundred thirty-three million, seven hundred thirty-nine thousand, four hundred seventy".