136457445454 has 16 divisors (see below), whose sum is σ = 223300843776. Its totient is φ = 62024211000.

The previous prime is 136457445427. The next prime is 136457445473. The reversal of 136457445454 is 454544754631.

It is a super-3 number, since 3×136457445454³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846619 + ... + 994825.

It is an arithmetic number, because the mean of its divisors is an integer number (13956302736).

Almost surely, 2^136457445454 is an apocalyptic number.

136457445454 is a deficient number, since it is larger than the sum of its proper divisors (86843398322).

136457445454 is a wasteful number, since it uses less digits than its factorization.

136457445454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190071.

The product of its digits is 16128000, while the sum is 52.

The spelling of 136457445454 in words is "one hundred thirty-six billion, four hundred fifty-seven million, four hundred forty-five thousand, four hundred fifty-four".