135407254 has 4 divisors (see below), whose sum is σ = 203110884. Its totient is φ = 67703626.

The previous prime is 135407249. The next prime is 135407269. The reversal of 135407254 is 452704531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452704531 = 433 ⋅1045507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33851812 + ... + 33851815.

It is an arithmetic number, because the mean of its divisors is an integer number (50777721).

Almost surely, 2^135407254 is an apocalyptic number.

135407254 is a deficient number, since it is larger than the sum of its proper divisors (67703630).

135407254 is an equidigital number, since it uses as much as digits as its factorization.

135407254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67703629.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 135407254 is about 11636.4622630764. The cubic root of 135407254 is about 513.5081139624.

The spelling of 135407254 in words is "one hundred thirty-five million, four hundred seven thousand, two hundred fifty-four".