134455690 has 32 divisors (see below), whose sum is σ = 247302720. Its totient is φ = 52617600.

The previous prime is 134455639. The next prime is 134455691. The reversal of 134455690 is 96554431.

It is a super-2 number, since 2×134455690² = 36156665146752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134455691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165385 + ... + 166195.

It is an arithmetic number, because the mean of its divisors is an integer number (7728210).

Almost surely, 2^134455690 is an apocalyptic number.

134455690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134455690 is a deficient number, since it is larger than the sum of its proper divisors (112847030).

134455690 is a wasteful number, since it uses less digits than its factorization.

134455690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 134455690 is about 11595.5030076319. The cubic root of 134455690 is about 512.3024056834.

The spelling of 134455690 in words is "one hundred thirty-four million, four hundred fifty-five thousand, six hundred ninety".