1401509934 has 24 divisors (see below), whose sum is σ = 3312660312. Its totient is φ = 424699920.

The previous prime is 1401509933. The next prime is 1401509951. The reversal of 1401509934 is 4399051041.

It is a happy number.

1401509934 is a `hidden beast` number, since 140 + 1 + 509 + 9 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401509933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3538969 + ... + 3539364.

It is an arithmetic number, because the mean of its divisors is an integer number (138027513).

Almost surely, 2^1401509934 is an apocalyptic number.

1401509934 is an abundant number, since it is smaller than the sum of its proper divisors (1911150378).

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

1401509934 is a wasteful number, since it uses less digits than its factorization.

1401509934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078352 (or 7078349 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1401509934 is about 37436.7457720353. The cubic root of 1401509934 is about 1119.0909753125.

The spelling of 1401509934 in words is "one billion, four hundred one million, five hundred nine thousand, nine hundred thirty-four".