1401134142 has 32 divisors (see below), whose sum is σ = 2818893312. Its totient is φ = 464282784.

The previous prime is 1401134131. The next prime is 1401134173. The reversal of 1401134142 is 2414311041.

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, 1074663 + ... + 1075965.

It is an arithmetic number, because the mean of its divisors is an integer number (88090416).

Almost surely, 2^1401134142 is an apocalyptic number.

1401134142 is an abundant number, since it is smaller than the sum of its proper divisors (1417759170).

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

1401134142 is a wasteful number, since it uses less digits than its factorization.

1401134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1401134142 is about 37431.7264095580. The cubic root of 1401134142 is about 1118.9909443819.

Adding to 1401134142 its reverse (2414311041), we get a palindrome (3815445183).

The spelling of 1401134142 in words is "one billion, four hundred one million, one hundred thirty-four thousand, one hundred forty-two".