135919642937764 has 27 divisors (see below), whose sum is σ = 276693891104043. Its totient is φ = 58251205594008.

The previous prime is 135919642937761. The next prime is 135919642937809. The reversal of 135919642937764 is 467739246919531.

The square root of 135919642937764 is 11658458.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (135919642937761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162802039 + ... + 163634785.

Almost surely, 2^{135919642937764} is an apocalyptic number.

135919642937764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135919642937764 is the 11658458-th square number.

It is an amenable number.

135919642937764 is an abundant number, since it is smaller than the sum of its proper divisors (140774248166279).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135919642937764 is an frugal number, since it uses more digits than its factorization.

135919642937764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665512 (or 832756 counting only the distinct ones).

The product of its digits is 1851776640, while the sum is 76.

The spelling of 135919642937764 in words is "one hundred thirty-five trillion, nine hundred nineteen billion, six hundred forty-two million, nine hundred thirty-seven thousand, seven hundred sixty-four".