129150542 has 16 divisors (see below), whose sum is σ = 198429264. Its totient is φ = 63024000.

The previous prime is 129150523. The next prime is 129150563. The reversal of 129150542 is 245051921.

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, 11942 + ... + 20022.

It is an arithmetic number, because the mean of its divisors is an integer number (12401829).

Almost surely, 2^129150542 is an apocalyptic number.

129150542 is a deficient number, since it is larger than the sum of its proper divisors (69278722).

129150542 is a wasteful number, since it uses less digits than its factorization.

129150542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 129150542 is about 11364.4420012599. The cubic root of 129150542 is about 505.4739099288.

The spelling of 129150542 in words is "one hundred twenty-nine million, one hundred fifty thousand, five hundred forty-two".