134142550 has 24 divisors (see below), whose sum is σ = 249856776. Its totient is φ = 53581440.

The previous prime is 134142497. The next prime is 134142571. The reversal of 134142550 is 55241431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45934 + ... + 48766.

It is an arithmetic number, because the mean of its divisors is an integer number (10410699).

Almost surely, 2^134142550 is an apocalyptic number.

134142550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134142550 is a deficient number, since it is larger than the sum of its proper divisors (115714226).

134142550 is a wasteful number, since it uses less digits than its factorization.

134142550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 134142550 is about 11581.9924883415. The cubic root of 134142550 is about 511.9043883761.

Adding to 134142550 its reverse (55241431), we get a palindrome (189383981).

The spelling of 134142550 in words is "one hundred thirty-four million, one hundred forty-two thousand, five hundred fifty".