135151451 has 4 divisors (see below), whose sum is σ = 138294552. Its totient is φ = 132008352.

The previous prime is 135151439. The next prime is 135151453. The reversal of 135151451 is 154151531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154151531 = 10607 ⋅14533.

It is a cyclic number.

It is not a de Polignac number, because 135151451 - 2¹⁴ = 135135067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135151451.

It is not an unprimeable number, because it can be changed into a prime (135151453) 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, 1571486 + ... + 1571571.

It is an arithmetic number, because the mean of its divisors is an integer number (34573638).

Almost surely, 2^135151451 is an apocalyptic number.

135151451 is a deficient number, since it is larger than the sum of its proper divisors (3143101).

135151451 is an equidigital number, since it uses as much as digits as its factorization.

135151451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143100.

The product of its digits is 1500, while the sum is 26.

The square root of 135151451 is about 11625.4656250836. The cubic root of 135151451 is about 513.1845475452.

The spelling of 135151451 in words is "one hundred thirty-five million, one hundred fifty-one thousand, four hundred fifty-one".