1306526142 has 32 divisors (see below), whose sum is σ = 2646547200. Its totient is φ = 429960960.

The previous prime is 1306526107. The next prime is 1306526173. The reversal of 1306526142 is 2416256031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152238 + ... + 160590.

It is an arithmetic number, because the mean of its divisors is an integer number (82704600).

Almost surely, 2^1306526142 is an apocalyptic number.

1306526142 is an abundant number, since it is smaller than the sum of its proper divisors (1340021058).

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

1306526142 is a wasteful number, since it uses less digits than its factorization.

1306526142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1306526142 is about 36145.9007634337. The cubic root of 1306526142 is about 1093.2161393033.

The spelling of 1306526142 in words is "one billion, three hundred six million, five hundred twenty-six thousand, one hundred forty-two".